fatuous
[adjective]
Synonyms: foolish, brainless, idiotic, inane, ludicrous, mindless, moronic, silly, stupid, witless

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Antonyms: sensible
Contrasted words: judicious, prudent, sage, sane, sapient, wise
Related Words: idiotic, imbecile, moronic, besotted, fond, infatuated, insensate, absurd, dumb, silly, stupid

[TahlilGaran] English Synonym Dictionary ▲

fat‧u‧ous /ˈfætʃuəs/ adjective
[Date: 1600-1700; Language: Latin; Origin: fatuus 'stupid, tasteless']
very silly or stupid Synonym : idiotic:
fatuous questions
—fatuously adverb
—fatuousness noun [uncountable]

[TahlilGaran] Dictionary of Contemporary English ▲