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Synonyms

BB

1 American  
[bee-bee] / ˈbiˌbi /

noun

  1. a size of shot, 0.18 inch (0.46 centimeter) in diameter, fired from an air rifle or BB gun.

  2. Also called BB shot.  shot of this size.

BB 2 American  

  1. a quality rating for a corporate or municipal bond, lower than BBB and higher than B.

bb. 3 American  

abbreviation

  1. ball bearing.

  2. Baseball. base on balls; bases on balls.

B/B 4 American  

  1. bottled in bond.

b.b. 5 American  

abbreviation

  1. bail bond.

  2. baseboard.

B.B. 6 American  

abbreviation

  1. bail bond.

  2. Blue Book.

  3. B'nai B'rith.

  4. Bureau of the Budget.

BB 1 British  

abbreviation

  1. Boys' Brigade

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

symbol

  1. double black: denoting a very soft lead

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
bb 2 British  

abbreviation

  1. Barbados

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Usage

What else does bb mean? In text messages and online, bb can be short for baby, especially as it's used as a term of endearment for significant others or friends. In this sense, it can sometimes be pronounced as [bey-bee]. Bb can also be short for quite a few other things, including basketball, bye-bye, the pellets of a BB gun, and some NSFW applications.

Etymology

Origin of BB

An Americanism dating back to 1870–75

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

BlackBerry BB 1.03%increase; green up pointing triangle laid out its fiscal 2027 growth outlook after reporting a fourth-quarter profit, supported by robust revenue from its QNX real-time operating system segment.

From The Wall Street Journal • Apr. 9, 2026

The second witness, Andi Miller, said BB had told the police about dozens of thefts they had committed together, and the police used that to get him to tell lies.

From BBC • Feb. 16, 2026

It inspire Simone de Beauvoir in 1960 to say, "BB now deserves to be considered an export product as important as Renault automobiles."

From Barron's • Dec. 28, 2025

Below BBB starts at BB, which is junk.

From MarketWatch • Nov. 7, 2025

Mr. Kahn loved to take him deer-spotting in mid-autumn, let him shoot a BB gun at targets behind the house, and told him stories about the Great Hunter.

From "Please Ignore Vera Dietz" by A.S. King

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.