Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “facetious”


adjective    /fəˈsi·ʃəs/
not seriously meaning what you say, usually in an attempt to be humorous or to trick someone: I make so much money that we never have to worry – I’m being facetious. facetiously    /fəˈsi·ʃəs·li/ adverb "We could spend all our income on health care," she said facetiously.
(Definition of facetious adjective from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of facetious

Definitions of “facetious” in other dictionaries

Word of the Day


friendly or helpful

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