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fatuous

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The definition of fatuous is foolish or silly.

(adjective)

An example of fatuous is the nature of a clown.

See fatuous in Webster's New World College Dictionary

adjective

complacently stupid or inane; silly; foolish
Archaic like an ignis fatuus; illusory; unreal

Origin: L fatuus, foolish < IE base *bhāt-, to strike > batter

Related Forms:

fatuously adverb
fatuousness noun

See fatuous in American Heritage Dictionary 4

adjective

Foolish or silly, especially in a smug or self-satisfied way: “‘Don't you like the poor lonely bachelor?’ he yammered in a fatuous way” (Sinclair Lewis). See Synonyms at foolish.

Origin:

Origin: From Latin fatuus

Related Forms:

fatˈu·ous·ly adverb

fatˈu·ous·ness noun

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