Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “whack”


verb [T]     /wæk/ informal
to hit someone or something in a quick , strong way: She whacked him on the head with her book .Hitting against objects accidentally and colliding
whack noun [C] informal
(Definition of whack verb from the Cambridge Learner's Dictionary © Cambridge University Press)

Definitions of “whack” in other dictionaries

Word of the Day


to mix eggs with a little milk and mix again as they are being fried

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