Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “joke”


/dʒoʊk/ (present participle joking, past tense and past participle joked)
B1 to say funny things, or not be serious: She always jokes about her husband’s cooking.
you must be joking! informal B1 used to say that something is certainly not true: “Does Jim do much cooking?” “You must be joking – he never cooks!”
(Definition of joke verb from the Websters Essential Mini Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

More Essential American English definitions for “joke”

Definitions of “joke” in other dictionaries

Word of the Day


a measure for liquid equal to about half a litre

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