Meanings
loon1
plural loons
- slangA crazy or deranged person; a lunatic.
What's it like to be a loon? / I liken it to a balloon
1971, Marc Bolan, “Cosmic Dancer”, in Electric Warrior, performed by T. Rex1 more example
An electric fire came next, followed by an umbrella and then a colander. "This bowl will carry no water," he muttered. "Some loon hath pierced it with holes."
1971, Richard Carpenter, Catweazle and the Magic Zodiac, Harmondsworth: Puffin Books, page 67 - obsoleteAn idler, a lout.
The diuell damne thee blacke, thou cream-fac'd Loone: Where got'ſt thou that Gooſe-looke.
c. 1606 (date written), William Shakespeare, “The Tragedie of Macbeth”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act V, scene iii], page 149 - ScotlandA simpleton.
- IrelandhistoricalAn English soldier of an expeditionary army in Ireland.
- engineeringA round area of pavement that protrudes from one side of a road to accommodate turning vehicles with a wide turning circle.
Synonyms: bulb-out
- abbreviationclippingClipping of balloon.
loon2
plural loons
- CanadaUSAny of various birds, of the order Gaviiformes, of North America and Europe that dive for fish and have a short tail, webbed feet and a yodeling cry.
[O]h, yes! the loon does shriek dreadfully - particularly when there's fine rain […]
1886, Peter Christen Asbjørnsen, translated by H. L. Brækstad, Folk and Fairy Tales, page 2864 more examples
The Loone is an ill ſhap'd thing like a Cormorant; but that he can neyther goe nor flye; he maketh a noiſe ſometimes like a Sovvgelders horne.
1634, William Wood, “Of the Birds and Fowles both of Land and Water”, in New Englands Prospect. A True, Lively, and Experimentall Description of that Part of America, Commonly Called New England; […], London: […] Tho[mas] Cotes, for Iohn Bellamie, […], →OCLC, 1st part, page 31He came again to her and she said: ‘Run swifter than the deer, be more cunning than the beaver, dive deeper than the loon.’
1903, Zane Grey, Betty Zane, New York, N.Y.: Grosset & Dunlap Publishers, →OCLCAnd I listened for a voice;— / But my heart was all I heard; / Not a screech-owl, not a loon, / Not a tree-toad said a word.
1921, Edna St. Vincent Millay, “The Blue-Flag in the Bog”, in Second AprilEvery so often there was a new animal in the park. We all remembered, for example, when the first loon arrived. The ducks were so happy to have a bird nuttier than themselves.
2023, Dave Eggers, illustrated by Shawn Harris, The Eyes and the Impossible, pages 136-137Synonyms: diver
Loon3
- A municipality of Bohol, Philippines.
Synonyms & antonyms
nounA round area of pavement that protrudes from one side of a road to accommodate turning vehicles with a wide turning circle.
nounAny of various birds, of the order Gaviiformes, of North America and Europe that dive for fish and have a short tail, webbed feet and a yodeling cry.
More synonyms by meaning
nounlarge somewhat primitive fish-eating diving bird of the Northern Hemisphere having webbed feet placed far back; related to the grebes
nouna person with confused ideas; incapable of serious thought
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
loon · noun
- Middle Englishlouen
- Englishloon
From Middle English louen, lowen (“rascal; rogue”), probably of Middle Dutch or Middle Low German origin. Compare Dutch loen (“simpleton”). Or, related to etymology 2, due to the bird's loud cry. Folk etymology associates it slang-wise with lunatic, though the latter may have influenced it; see loony.
More words from Middle English
Full word history & related roots →loon · noun
- Proto-Indo-European*leh₂-
- Old Norselómr“loon”
- North Germanic
- Englishloon
Of North Germanic origin, from Old Norse lómr (“loon”), ultimately imitative of the bird's cry, particularly when it's in danger. Distantly related to lament, probably sharing Proto-Indo-European *leh₂- (expressive root).
More words from North Germanic, Old Norse, Proto-Indo-European
Full word history & related roots →Translations
Basque pulunpari
- pulunparibird of order Gaviiformes
Bulgarian откачалник, откачалка
- откачалник (otkačalnik)a crazy person
- откачалка (otkačalka)a crazy person
- безделник (bezdelnik)idler
- кибик (kibik)idler
- гмурец (gmurec)bird of order Gaviiformes
Catalan calàbria
- calàbriabird of order Gaviiformes
Chinese Mandarin 潛鳥 /潜鸟
- 潛鳥 /潜鸟 (qiánniǎo)bird of order Gaviiformes
Czech cvok, potáplice
- cvoka crazy person
- potáplicebird of order Gaviiformes
Danish lom
- lombird of order Gaviiformes
Dutch gek, getikte
- geka crazy person
- getiktea crazy person
- duikerbird of order Gaviiformes
- zeeduikerbird of order Gaviiformes
Esperanto granda kolimbo
- granda kolimbobird of order Gaviiformes
Estonian kaur
- kaurbird of order Gaviiformes
Finnish sekopää, hullu
- sekopääa crazy person
- hullua crazy person
- sekoa crazy person
- lusmuidler
- kuikkabird of order Gaviiformes
French fou, plongeon
- foua crazy person
- plongeonbird of order Gaviiformes
- huardbird of order Gaviiformes
German Bekloppter, Verrückter
- Beklopptera crazy person
- Verrücktera crazy person
- Irrera crazy person
- Spinnera crazy person
- Traumtänzeridler
- Faulenzeridler
- Seetaucherbird of order Gaviiformes
Greek παλαβός
- παλαβός (palavós)a crazy person
Hungarian búvármadár
- búvármadárbird of order Gaviiformes
Indonesian gila, loon
- gilaa crazy person
- loonbird of order Gaviiformes
Irish lóma, foitheach
- lómabird of order Gaviiformes
- foitheachbird of order Gaviiformes
Italian matto, scemo
- mattoa crazy person
- scemoa crazy person
- stoltoa crazy person
- fannullonea crazy person
- strolagabird of order Gaviiformes
Japanese 嘴黒阿比
- 嘴黒阿比 (hashiguroabi)bird of order Gaviiformes
Korean 아비
- 아비 (abi)bird of order Gaviiformes
Lithuanian naras
- narasbird of order Gaviiformes
Norwegian Bokmål lom
- lombird of order Gaviiformes
Polish nur
- nurbird of order Gaviiformes
Portuguese doido, louco
- doidoa crazy person
- loucoa crazy person
- malucoa crazy person
- mobelhabird of order Gaviiformes
- mergulhãobird of order Gaviiformes
Romanian cufundar, bodârlău
- cufundarbird of order Gaviiformes
- bodârlăubird of order Gaviiformes
- corcodelbird of order Gaviiformes
Russian безумец, гага́ра
- безумец (bezumec)a crazy person
- гага́ра (gagára)bird of order Gaviiformes
Scottish Gaelic learga
- leargabird of order Gaviiformes
Slovak potáplica
- potáplicabird of order Gaviiformes
Spanish lunático, colimbo
- lunáticoa crazy person
- colimbobird of order Gaviiformes
Swedish lom
- lombird of order Gaviiformes
Turkish dalgıç, dalgıçkuşu
- dalgıçbird of order Gaviiformes
- dalgıçkuşubird of order Gaviiformes
Ukrainian гагара
- гагара (hahara)bird of order Gaviiformes
Welsh trochydd
- trochyddbird of order Gaviiformes
Rhymes & wordplay
Rhymes with loon
Anagrams
Cite this entry
loon. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/loon
“loon.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/loon. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “loon,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/loon.
Source: loon on Wiktionary, CC BY-SA 4.0.