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ENGLISH · A WORD WITH POSSIBILITIES

bo.

An exclamation used to startle or frighten.

2 characters1 syllables approx.English language

Meaning & usage

intj/bəʊ/UK/boʊ/General-American
  1. An exclamation used to startle or frighten.

Where this word comes from

Imitative.

noun/bəʊ/UK/boʊ/General-American
  1. Fellow, chap, boy.

    US · slang
Where this word comes from

Probably a shortening of boy.

noun/bəʊ/UK/boʊ/General-American
  1. A quarterstaff, especially in an oriental context.

Where this word comes from

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

particle[boː˨˦]Singapore, interrogative/bəʊ/UK/boʊ/General-American
  1. Final interrogative particle, used to invite agreement.

    Singapore · Singlish · interrogative
    Swee bo?
  2. Final interrogative particle, forming a yes-no question from a declarative statement.

    Singapore · Singlish · interrogative
Where this word comes from

From Hokkien 無 /无 (bô).

phrase/bəʊ/UK/boʊ/General-American
  1. Initialism of best of: Often directly precedes an odd number.

    Singapore · abbreviation · alt-of · initialism
Where this word comes from

Initialism of best of.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.