bo

Interjection

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

Noun (1)

bo (plural bos)

1. (US, slang) Fellow, chap, boy.
   • ‘Never heard of him,’ he smiled. ‘On your way, bo.’1940, Raymond Chandler, Farewell, My Lovely, Penguin, published 2010, →ISBN, page 255

Noun (2)

bo (plural bos)

1. A quarterstaff, especially in an oriental context.

Particle

bo

1. (Singapore, Singlish, interrogative) Final interrogative particle, used to invite agreement.
   • Swee bo?

   Synonyms:

   hor?

2. (Singapore, Singlish, interrogative) Final interrogative particle, forming a yes-no question from a declarative statement.

   Synonyms:

   or not

Noun (3) capitalized: BO

BO (countable and uncountable, plural BOs)

1. (abbreviation, euphemistic, informal, initialism, uncountable) Initialism of body odor or body odour.
2. (abbreviation, initialism) Initialism 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. (abbreviation, initialism) Initialism of box office.
   • The film is expected to gross more than $100 million at the domestic BO.
4. (abbreviation, initialism) Initialism of bronchiolitis obliterans.

Proper noun (1) capitalized: BO

BO

1. (abbreviation, historical, initialism) Initialism of BusinessObjects, a French enterprise software company specializing in business intelligence.

Verb capitalized: BO

BO

1. (abbreviation, initialism) Initialism of bind off.

Proper noun (2) capitalized: Bo

Bo

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

Proper noun (3) capitalized: Bo

Bo

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

Proper noun (4) capitalized: Bo

Bo

1. Synonym of Bomu (“Gur language”).

   Synonyms:

   Bomu