The adjective fatuous describes people or things that are foolish or inane, especially in an unconscious, complacent manner. Do you know when to use fatuous, foolish, silly, inane, stupid, and asinine? Find out on Thesaurus.com.

Can a person be fatuous?

If you describe a person, action, or remark as fatuous, you think that they are extremely silly, showing a lack of intelligence or thought.

What is the word fatuous?

: complacently or inanely foolish : silly a fatuous remark a fatuous socialite with a near-pathological love of parties and shopping— Janet Maslin.