fatuitous

[ fuh-too-i-tuh s, -tyoo- ]
/ fəˈtu ɪ təs, -ˈtyu- /

adjective

complacently stupid; foolish.

Origin of fatuitous

First recorded in 1725–35; fatuit(y) + -ous

Related forms

fa·tu·i·tous·ness, nounun·fa·tu·i·tous, adjectiveun·fa·tu·i·tous·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019