fool
n. countablen. a person who does not have good judgment or acts in a silly way. You might call someone this if they make a mistake that was easy to avoid.
n. a person lacking in judgment or prudence; one who acts unwisely or is easily deceived. Often used as a mild pejorative in social contexts.
I felt like a fool when I realized I had the wrong date.
He was a fool to think he could finish the entire project in a single weekend without any help.
In traditional literature, the character of the fool often possesses a unique wisdom that allows them to speak truths that more serious characters are too afraid to acknowledge.
From Middle English fole (“fool”), from Old French fol (cf. modern French fou (“mad”)) from Latin follis. Doublet of fals and follis. Displaced native Old English dwæs.
From French fouler (“to trample”).
Commonly used in the construction 'make a fool of (someone)' to mean causing someone to look ridiculous.
He is fool.He is a fool.When used to describe a person, this word is a countable noun and requires an article; it is not an adjective like 'stupid'.