boom

B3O1O1M3
UK, Wales/buːm/British, Southern, Standard/bʉwm/US/bum/Australia, New Zealand/bʉːm/

verb

To make a loud, hollow, resonant sound.

“Business was booming.”

CommonScrabble 8

Meanings

boom1

verbboom (third-person singular simple present booms, present participle booming, simple past and past participle boomed)

present singular third person booms · participle present booming · participle past boomed · past boomed

  1. To make a loud, hollow, resonant sound.

    Beneath the cliff, the sea was booming on the rocks.

    4 more examples

    Thunder boomed in the distance and lightning flashes lit up the horizon.

    The cannon boomed, recoiled, and spewed a heavy smoke cloud.

    I can hear the organ slowly booming from the chapel.

    Did you ever hear a bittern booming?

    1902, Arthur Conan Doyle, The Hound of the Baskervilles
  2. figurativelytransitiveTo exclaim with force, to shout, to thunder.
    1 more example

    I was about to reach for the marmalade, when I heard the telephone tootling out in the hall and rose to attend to it. “Bertram Wooster's residence,” I said, having connected with the instrument. “Wooster in person at this end. Oh hullo,” I added, for the voice that boomed over the wire was that of Mrs Thomas Portarlington Travers of Brinkley Court, Market Snodsbury, near Droitwich – or, putting it another way, my good and deserving Aunt Dahlia. [...] “I'd give a tenner to have Aubrey Upjohn here at this moment.” “You can get him for nothing. He's in Uncle Tom's study.” Her face lit up. “He is?” [Aunt Dahlia] threw her head back and inflated the lungs. “UPJOHN!” she boomed, rather like someone calling the cattle home across the sands of Dee, and I issued a kindly word of warning. “Watch that blood pressure, old ancestor.”

    1960, P[elham] G[renville] Wodehouse, “I AND XVII”, in Jeeves in the Offing, London: Herbert Jenkins, →OCLC
  3. intransitiveTo flourish, grow, or progress.

    Business was booming.

    3 more examples

    The population boomed in recent years.

    “If you look at South Florida right now, this place is booming,” Mr. DeSantis said recently. “Los Angeles isn’t booming. New York City isn’t booming.”

    2021 March 22, Neil Vigdor, Michael Majchrowicz, Azi Paybarah, quoting Ron DeSantis, “Miami Beach, Overwhelmed by Spring Break, Extends Emergency Curfew”, in The New York Times, →ISSN

    Over this period, as plants boomed, the amount of carbon dioxide in the atmosphere dropped by 90 per cent, triggering a period of global cooling.

    2020, Merlin Sheldrake, Entangled Life, page 145

    Synonyms: flourish, prosper

  4. transitiveTo make (something) boom.

    Men in grey robes slowly boom the drums of death.

  5. To make a deep, resonant, territorial vocalisation.

    Miles on miles of quagmire, varied only by bright green strips of comparatively solid ground, and by deep and sullen pools fringed with tall rushes, in which the bitterns boomed and the frogs croaked incessantly[.]

    1886 October – 1887 January, H[enry] Rider Haggard, She: A History of Adventure, London: Longmans, Green, and Co., published 1887, →OCLC
  6. intransitiveaeronauticsTo cause a sonic boom.
  7. slangtransitiveaeronauticsTo subject (someone or something) to a sonic boom.
  8. USobsoleteslangTo publicly praise, to rally behind.

    If you pull this off every paper in England and America will be booming you.

    1922, Sir Arthur Conan Doyle, The Problem of Thor Bridge
    2 more examples

    This unexpected stand on the budget met with some displeasure from his Democratic colleagues and the Administration , particularly in light of the fact that Truman had not forgotten that Douglas boomed Eisenhower as the Democrat nominee for President in 1948.

    1964, Jerry Maynard Anderson, Paul H. Douglas: Insurgent Senate Spokesman for Humane Causes, 1949-1963

    Field's ostensible reason for going to Texas was to attend the second annual Texas Roundup in Austin. He boomed Roosevelt there. “Governor Roosevelt has all the strength possessed by Al Smith and none of Smith's weaknesses,” he told reporters.

    2019 October 22, Norman D. Brown, Biscuits, the Dole, and Nodding Donkeys: Texas Politics, 1929–1932, University of Texas Press, →ISBN
  9. To rush forwards with such violent intensity that it generates a sustained, overwhelming, roaring noise; especially from the perspective of a bystander who has been suddenly subjected to it.

    The ship was booming under the press of sail.

    2 more examples

    The train boomed through the station without stopping.

    She comes booming down before it.

    1841, Benjamin Totten, Naval Text-book and Dictionary […]
  10. slangboard gamesTo rapidly adjust the evaluation of a position away from zero, indicating a likely win or loss.

    In its White game Stockfish had various moments of booming during these long thinks, but these long thinks always ended disappointingly in a slightly lower evaluation than it started with.

    2022 April 22, Matthew Sadler, “TCEC Season 22 SuperFinal: Komodo Dragon vs Stockfish”, in TCEC, archived from the original on 13 Dec 2022
    1 more example

    It can get fast enough that it's hard to see what flashed on your screen though, so it would be nice if chess engines had a feature of persistently showing you what move they planned to play before they boomed, even if it took less than a second for them to figure it out.

    2021 January 23, Bram Cohen, “You're doing computer chess game commentary wrong”, in Medium, archived from the original on 06 Dec 2022

    Antonyms: moob

  11. datedtransitiveTo cause to advance rapidly in price.

    to boom railroad or mining shares

nounboom (plural booms)

plural booms

  1. A low-pitched, resonant sound, such as of an explosion.

    the boom of the surf

  2. A rapid expansion or increase.

    You should prepare for the coming boom in the tech industry.

    1 more example

    Some of the minor Welsh 2 ft. gauge railways, we hear from Mr. N. F. G. Dalston, are enjoying a miniature boom owing to the demand for slate for the repair of damaged roofs.

    1941 March, “Notes and News: The Demand for Slate”, in Railway Magazine, page 141
  3. businessA period of prosperity, growth, progress, or high market activity.

    Antonyms: depression, recession

  4. abbreviationellipsisaeronauticsEllipsis of sonic boom.
  5. One of the calls of certain monkeys or birds.

    Interestingly, the blue monkey's boom and pyow calls are both long-distance signals (Brown, 1989), yet the two calls differ in respect to their susceptibility to habitat-induced degradation.

    1990, Mark A. Berkley, William C. Stebbins, Comparative Perception
  6. slangboard gamesAn instance of booming.

    The evaluation boom and moob continued as Stockfish headed for a queen-rook-knight vs queen-rook-knight position that looked pretty nasty to me!

    2022 April 22, Matthew Sadler, “TCEC Season 22 SuperFinal: Komodo Dragon vs Stockfish”, in TCEC, archived from the original on 13 Dec 2022
    1 more example

    Some chess commentators know to excitedly point out when booms happen but they almost universally are missing out on the next step of explaining what the boom meant.

    2021 January 23, Bram Cohen, “You're doing computer chess game commentary wrong”, in Medium, archived from the original on 06 Dec 2022

    Antonyms: moob

interjection
  1. Used to suggest the sound of an explosion.

    crash boom bang

    1 more example

    In regards to what happened to Mutsu, well, it went BOOM'. To be more prosaic about it, there were a number of theories put forward as to why Mutsus magazine for its aft superfiring turret exploded, some of them more plausible than others.

    2020 January 12, Drachinifel, 47:06 from the start, in The Drydock - Episode 076, archived from the original on 26 Sep 2022
  2. Used to suggest something happening suddenly or unexpectedly; voilà.

    Add one cup of hot water, wait a minute, and boom — your cup of ramen is ready.

    2 more examples

    So we went around the corner, looked in the garbage, and, boom, there's about 16 of the tapes he didn't like!

    1993, Vibe, volume 1, number 2

    Hostile race relations and chronic unemployment are ignored in the suburbs of Paris, London and Sydney, and boom! there are riots.

    2013, Peter Westoby, Gerard Dowling, Theory and Practice of Dialogical Community Development
  3. The sound of a bass drum beating.
  4. The sound of a cannon firing.

boom2

nounboom (plural booms)

plural booms

  1. nauticalA spar extending the foot of a sail; a spar rigged outboard from a ship's side to which boats are secured in harbour.

    Tighten the outhaul and place the appropriate line in the cam cleat located on the boom about two feet back from the mast.

    (Can we date this quote?), “Pico Rigging Instructions”, in California State University, Sacramento, page 1
  2. artsA specially-designed, movable pole, used to suspend a microphone or camera high above the ground during filming or recording.
  3. abbreviationbroadlyellipsisartsEllipsis of boom microphone (a microphone supported on such a pole).
  4. space flightA deployable structure on spacecraft used for mounting solar panels, radiators, antennae, instruments, etc.
  5. A horizontal member of a crane or derrick, used for lifting.
  6. businessThe longest element of a Yagi-Uda antenna, on which the other, smaller antennae are transversally mounted.
  7. A boom barrier; a lowerable bar used to block vehicle access.
  8. A floating barrier used to obstruct navigation on water, for military or other purposes; or used for the containment of an oil spill or to control the flow of logs from logging operations.

    I went out on the timber boom and made a few casts, but with little success.

    1886, Peter Christen Asbjø￵rnsen, translated by H.L. Brækstad, Folk and Fairy Tales, page 152

    Synonyms: chain, chain boom

  9. gymnasticsA gymnastics apparatus, similar to a balance beam, which must be traversed as part of an obstacle course, typically as a training exercise in school or as part of basic training for new military recruits.
    1 more example

    The wooden upright was now standing in the middle of the floor, and the two booms were fitted into its grooved side and hoisted as high as hands could reach. [...] Two by two, one at each end, the students proceeded along the boom, hanging by their hands, monkey-wise. [...] Two by two the students somersaulted upwards on to the high boom, turned to a sitting position sideways, and then slowly stood up on the narrow ledge.

    1948, Josephine Tey, Miss Pym Disposes
  10. A wishbone-shaped piece of windsurfing equipment.
  11. The section of the arm on a backhoe closest to the tractor.
verbboom (third-person singular simple present booms, present participle booming, simple past and past participle boomed)

present singular third person booms · participle present booming · participle past boomed · past boomed

  1. To extend, or push, with a boom or pole.

    to boom out a sail

    1 more example

    to boom off a boat

  2. usuallyTo raise or lower with a crane boom.

Boom3

proper noun
  1. A Belgian town and municipality in the southwest of the Flemish province of Antwerp.

Synonyms & antonyms

verbTo flourish, grow, or progress.

verbTo rapidly adjust the evaluation of a position away from zero, indicating a likely win or loss.

Opposite

nounA period of prosperity, growth, progress, or high market activity.

nounAn instance of booming.

Opposite

nounA floating barrier used to obstruct navigation on water, for military or other purposes; or used for the containment of an oil spill or to control the flow of logs from logging operations.

Similar
chainchain boom

More synonyms by meaning

nouna deep prolonged loud noise

Broader

nouna sudden happening that brings good fortune (as a sudden opportunity to make money)

nouna pole carrying an overhead microphone projected over a film or tv set

Similar
microphone boom
Broader

verbmake a resonant sound, like artillery

Similar
Broader

verbhit with great force

Broader

verbbe the case that thunder is being heard

Similar
Broader

verbmake a deep hollow sound

Similar
boom out
Broader

verbgrow vigorously

Broader

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

boom · verb, noun, interjection

  1. Dutchbommen“to hum, buzz”
  2. Germanbummen
  3. Englishboom

Onomatopoeic, perhaps borrowed; compare German bummen, Dutch bommen (“to hum, buzz”). The sense "a period of economic growth" is generally taken to derive from the sense "a rapid expansion", although other origins have also been suggested.

Full word history & related roots →

boom · noun, verb

  1. Dutchboom“tree; pole”
  2. Englishboom

Borrowed from Dutch boom (“tree; pole”). Doublet of beam.

Full word history & related roots →

Translations

Bulgarian гърмя, буча
  • гърмя (gărmja)to make a loud, resonant sound
  • буча (buča)to make a loud, resonant sound
  • процъфтявам (procăftjavam)to be prosperous
  • буча (buča)to speak with low pitch
  • боботя (bobotja)to speak with low pitch
  • бумтеж (bumtež)abrupt, low-pitched sound
  • бръмчене (brămčene)abrupt, low-pitched sound
  • бум (bum)period of prosperity
  • разцве́т (razcvét)period of prosperity
  • бум (bum)sound of explosion
  • гик (gik)spar extending the foot of a sail
  • стрела (strela)horizontal member of a crane
  • плаващ бараж (plavašt baraž)floating barrier
  • стойка (stojka)support for microphone or camera
Catalan boom
  • boomperiod of prosperity
Chinese Mandarin 繁荣, 景氣繁榮 /景气繁荣
  • 繁荣 (fánróng)to be prosperous
  • 景氣繁榮 /景气繁荣 (jǐngqì fánróng)period of prosperity
  • 景氣 /景气 (jǐngqì)period of prosperity
  • 繁榮 /繁荣 (fánróng)period of prosperity
  • 砰 (pēng)sound of explosion
  • 嘭 (pēng)sound of explosion
  • 挑杆support for microphone or camera
Dutch dreunen, donderen
  • dreunento make a loud, resonant sound
  • donderento make a loud, resonant sound
  • bloeiento be prosperous
  • florerento be prosperous
  • boomento be prosperous
  • dreunento speak with low pitch
  • boemabrupt, low-pitched sound
  • boomrapid expansion or increase
  • hausseperiod of prosperity
  • hoogconjunctuurperiod of prosperity
  • boemsound of explosion
  • kaboemsound of explosion
  • giekspar extending the foot of a sail
Esperanto tondri, haŭsi
  • tondrito make a loud, resonant sound
  • haŭsito be prosperous
  • haŭsoperiod of prosperity
  • bumsound of explosion
  • microphona bastonosupport for microphone or camera
Estonian buum, poom
  • buumrapid expansion or increase
  • poomspar extending the foot of a sail
Finnish jyrähdellä, jyristä
  • jyrähdelläto make a loud, resonant sound
  • jyristäto make a loud, resonant sound
  • jyrähtääto make a loud, resonant sound
  • jysähdelläto make a loud, resonant sound
  • jysähtääto make a loud, resonant sound
  • paukahdellato make a loud, resonant sound
  • paukkuato make a loud, resonant sound
  • paukahtaato make a loud, resonant sound
  • paukuttaato make something boom
  • paukauttaato make something boom
  • jyräyttääto make something boom
  • jysäyttääto make something boom
  • pamausabrupt, low-pitched sound
  • paukeabrupt, low-pitched sound
  • pamautusabrupt, low-pitched sound
  • buumirapid expansion or increase
  • korkeasuhdanneperiod of prosperity
  • nousukausiperiod of prosperity
  • buumiperiod of prosperity
  • pumsound of explosion
  • puomispar extending the foot of a sail
  • puomihorizontal member of a crane
  • puomifloating barrier
  • puomipiece of windsurfing equipment
French prospérer, boum
  • prospérerto be prosperous
  • boumabrupt, low-pitched sound
  • boomperiod of prosperity
  • boumsound of explosion
  • bômespar extending the foot of a sail
  • mathorizontal member of a crane
  • haussehorizontal member of a crane
  • perchesupport for microphone or camera
German blühen, florieren
  • blühento be prosperous
  • florierento be prosperous
  • boomento be prosperous
  • dröhnento speak with low pitch
  • Dröhnenabrupt, low-pitched sound
  • Boomrapid expansion or increase
  • Aufschwungperiod of prosperity
  • Boomperiod of prosperity
  • Bummsound of explosion
  • Baumspar extending the foot of a sail
  • Auslegerhorizontal member of a crane
Greek μπαμ, μπουμ
  • μπαμ (bam)sound of explosion
  • μπουμ (boum)sound of explosion
Hebrew בּוּם, מָנוֹר
  • בּוּם (bum)abrupt, low-pitched sound
  • מָנוֹר (manor)spar extending the foot of a sail
Hindi बूम
  • बूम (būm)sound of explosion
Hungarian túlszaporodás, gradáció
  • túlszaporodásto be prosperous
  • gradációto be prosperous
  • gradációperiod of prosperity
  • bummsound of explosion
Icelandic góðæri
  • góðæriperiod of prosperity
Irish tormán, borradh trádála
  • tormánabrupt, low-pitched sound
  • borradh trádálaperiod of prosperity
  • crann scóidespar extending the foot of a sail
  • bumspar extending the foot of a sail
  • bumailespar extending the foot of a sail
  • búmhorizontal member of a crane
Italian boma
  • bomaspar extending the foot of a sail
Japanese ブーム
  • ブーム (būmu)period of prosperity
Korean 붐, 펑
  • 붐 (bum)period of prosperity
  • 펑 (peong)sound of explosion
  • 쾅 (kwang)sound of explosion
Māori pahū, papā
  • pahūto make a loud, resonant sound
  • papāto make a loud, resonant sound
  • hūto make a loud, resonant sound
  • pakōto make a loud, resonant sound
  • pakōabrupt, low-pitched sound
  • hūone of the calls of certain species of birds
  • hūsound of explosion
  • pakūsound of explosion
  • kotokotospar extending the foot of a sail
  • huapaehorizontal member of a crane
  • kauwhangasupport for microphone or camera
Polish prosperować, grzmot
  • prosperowaćto be prosperous
  • grzmotabrupt, low-pitched sound
  • hukabrupt, low-pitched sound
  • boomperiod of prosperity
  • bumsound of explosion
  • bachsound of explosion
  • bomspar extending the foot of a sail
  • bompiece of windsurfing equipment
Portuguese estrondear, ribombar
  • estrondearto make a loud, resonant sound
  • ribombarto make a loud, resonant sound
  • florescerto be prosperous
  • prosperarto be prosperous
  • estrondoabrupt, low-pitched sound
  • boomperiod of prosperity
  • bumsound of explosion
  • retrancaspar extending the foot of a sail
  • lançahorizontal member of a crane
Romanian bubuit, detunătură
  • bubuitabrupt, low-pitched sound
  • detunăturăabrupt, low-pitched sound
  • avântperiod of prosperity
  • prosperitateperiod of prosperity
  • bumsound of explosion
Russian рокота́ть, грохота́ть
  • рокота́ть (rokotátʹ)to make a loud, resonant sound
  • грохота́ть (groxotátʹ)to make a loud, resonant sound
  • громыха́ть (gromyxátʹ)to make a loud, resonant sound
  • гуде́ть (gudétʹ)to make a loud, resonant sound
  • грохнуть (groxnutʹ)to make something boom
  • грохнул (groxnul)to make something boom
  • бахать (baxatʹ)to make something boom
  • бабахать (babaxatʹ)to make something boom
  • процвета́ть (procvetátʹ)to be prosperous
  • гул (gul)abrupt, low-pitched sound
  • ро́кот (rókot)abrupt, low-pitched sound
  • бум (bum)rapid expansion or increase
  • бум (bum)period of prosperity
  • расцве́т (rascvét)period of prosperity
  • подъём (podʺjóm)period of prosperity
  • бах (bax)sound of explosion
  • бух (bux)sound of explosion
  • бац (bac)sound of explosion
  • бабах (babax)sound of explosion
  • стрела́ (strelá)horizontal member of a crane
  • бон (bon)floating barrier
  • брус (brus)gymnastics balance beam used in an obstacle course
Spanish retumbar, bum
  • retumbarto speak with low pitch
  • bumabrupt, low-pitched sound
  • boomperiod of prosperity
  • bonanzaperiod of prosperity
  • augeperiod of prosperity
  • bumsound of explosion
  • pumsound of explosion
  • punsound of explosion
  • plumsound of explosion
Swedish dåna, dåna
  • dånato make a loud, resonant sound
  • dånato speak with low pitch
  • boomperiod of prosperity
  • högkonjunkturperiod of prosperity
  • hausseperiod of prosperity
  • smällsound of explosion
  • bomsound of explosion
  • bomspar extending the foot of a sail
  • bomhorizontal member of a crane
  • länsfloating barrier
  • länsafloating barrier
Tagalog duklay
  • duklayhorizontal member of a crane
Thai บึ้ม, ตูม
  • บึ้ม (bʉ̂m)sound of explosion
  • ตูม (dtuum)sound of explosion
Ukrainian процвіта́ти, бум
  • процвіта́ти (procvitáty)to be prosperous
  • бум (bum)rapid expansion or increase
Vietnamese nổ bùm, nổ đùng
  • nổ bùmto make a loud, resonant sound
  • nổ đùngto make a loud, resonant sound
  • bùmsound of explosion
  • đùngsound of explosion

Rhymes & wordplay

Rhymes with boom

All rhymes →

Anagrams

Cite this entry
APA

boom. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/boom

MLA

“boom.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/boom. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “boom,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/boom.

Source: boom on Wiktionary, CC BY-SA 4.0.