bo

B3O1
UK/bəʊ/US/boʊ/Singapore, interrogative[boː˨˦]

interjection

An exclamation used to startle or frighten.

Similar
CommonScrabble 4

Meanings

bo1

interjection

alternative boh · alternative boo

  1. An exclamation used to startle or frighten.

    We may fairely cry bo-bo-boe; it may well make us hoarse, but it will nothing advaunce it.

    1603, Michel de Montaigne, chapter 37, in John Florio, transl., The Essayes […], book II, London: […] Val[entine] Simmes for Edward Blount […], →OCLC

bo2

nounbo (plural bos)

plural bos

  1. USslangFellow, chap, boy.

    ‘Never heard of him,’ he smiled. ‘On your way, bo.’

    1940, Raymond Chandler, Farewell, My Lovely, Penguin, published 2010, →ISBN, page 255

bo3

nounbo (plural bos)

plural bos

  1. governmentA quarterstaff, especially in an oriental context.

bo4

particle
  1. SingaporeSinglishinterrogativeFinal interrogative particle, used to invite agreement.

    Swee bo?

    Good, right?

    Synonyms: hor?

  2. SingaporeSinglishinterrogativeFinal interrogative particle, forming a yes-no question from a declarative statement.

    Synonyms: or not

bo5

phrase
  1. SingaporeabbreviationinitialismInitialism of best of: Often directly precedes an odd number.

    Best-of-three (bo3) Group Stage Match Information

Bo6

proper noun
  1. A male given name of occasional usage since the 1970s.
    1. A male given name from the Germanic languages
    2. A diminutive of the male given name Beauregard
    3. A diminutive of the male given name Beaumont

Bo7

proper noun
  1. A district (Bo District) in Southern Province, Sierra Leone. Capital: Bo.

Bo8

proper noun
  1. Synonym of Bomu (“Gur language”).

    Synonyms: Bomu

BO9

nounBO (countable and uncountable, plural BOs)

plural BOs

  1. abbreviationeuphemisticinformalinitialismuncountableInitialism of body odor or body odour.

    Wives chucked too, and slyly called their husbands' attention to such jingles as: “He played / A sax / Had no B.O. / But his whiskers scratched / So she let him go.”

    1964, Hannah Campbell, “Burma-Shave”, in Why did they name it…?, Fleet Publishing Corporation, page 161
  2. abbreviationcountableinitialismuncountablecomputingInitialism of business object.

    A business object (BO) is simply a software abstraction of a real-world entity.

    2004, Chuck Cavaness, Programming Jakarta Struts, O'Reilly, →ISBN, page 139
  3. abbreviationcountableinitialismuncountableentertainmentInitialism of box office.

    The film is expected to gross more than $100 million at the domestic BO.

  4. abbreviationcountableinitialismuncountableInitialism of bronchiolitis obliterans.
proper noun
  1. abbreviationhistoricalinitialismbusinessInitialism of BusinessObjects, a French enterprise software company specializing in business intelligence.
verb
  1. abbreviationinitialismbusinessInitialism of bind off.

Synonyms & antonyms

particleFinal interrogative particle, used to invite agreement.

Similar
hor?

particleFinal interrogative particle, forming a yes-no question from a declarative statement.

Similar

proper nounSynonym of Bomu (“Gur language”).

Similar

Origin

bo · interjection

Imitative.

Full word history & related roots →

bo · noun

Probably a shortening of boy.

Full word history & related roots →

bo · noun

  1. Middle Chinese棒“staff, club”
  2. Japanese棒
  3. Englishbo

From Japanese 棒 (bō), from Middle Chinese 棒 (baewng^X, “staff, club”) (compare modern Chinese 棒 (bàng)).

Full word history & related roots →

bo · particle

  1. Hokkien無 /无
  2. Englishbo

From Hokkien 無 /无 (bô).

Full word history & related roots →

Bo · proper noun

  1. SwedishBo
  2. DanishBo
  3. EnglishBo

Either borrowed from modern Danish Bo or Swedish Bo, or a spelling variant of the male given name Beau.

Full word history & related roots →

Rhymes & wordplay

Rhymes with bo

All rhymes →

Sounds the same

Cite this entry
APA

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

MLA

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

Chicago

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

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