Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “B, b”

B, b

noun [C or U] (MARK)    /biː/ (plural Bs, B's or b's)
a mark in an exam or for a piece of work that shows that your work is good but not excellent : I was a bit disappointed just to be given a B, as I was hoping for an A. I got B for physics last term .Marks and results
(Definition of B, b noun (MARK) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of B, b

Word of the Day


relating to behaviour between people that is pleasant and friendly, often despite a difficult situation

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More