asinine
[adjective]
Synonyms: stupid, fatuous, foolish, idiotic, imbecilic, moronic, senseless

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Antonyms: judicious, sensible
Contrasted words: prudent, sage, sane, sapient, wise, clever, intelligent, knowing, smart, rational, reasonable
Related Words: puerile, absurd, irrational, unreasonable

[TahlilGaran] English Synonym Dictionary ▲

as‧i‧nine /ˈæsənaɪn, ˈæsɪnaɪn/ adjective
[Date: 1400-1500; Language: Latin; Origin: asininus 'of a donkey', from asinus; ⇒ ass]
extremely stupid or silly Synonym : ridiculous:
What an asinine remark!

[TahlilGaran] Dictionary of Contemporary English ▲