fatuous

[ fach-oo-uhs ]
/ ˈfætʃ u əs /

adjective

foolish or inane, especially in an unconscious, complacent manner; silly.
unreal; illusory.

Origin of fatuous

1625–35; < Latin fatuus silly, foolish, idiotic; see -ous

SYNONYMS FOR fatuous

1 dense, dull, dim-witted. See foolish.

OTHER WORDS FROM fatuous

fat·u·ous·ly, adverb fat·u·ous·ness, noun

Example sentences from the Web for fatuous

British Dictionary definitions for fatuous

fatuous
/ (ˈfætjʊəs) /

adjective

complacently or inanely foolish

Derived forms of fatuous

fatuously, adverb fatuousness, noun

Word Origin for fatuous

C17: from Latin fatuus; related to fatiscere to gape