From Latin asinīnus (“of a donkey or ass”).
asinine (comparative more asinine, superlative most asinine)
- Failing to exercise intelligence or judgment; ridiculously below average rationality.
1922, Michael Arlen, chapter 2/2/2, “Piracy”: A Romantic Chronicle of These Days:
- They danced on silently, softly. Their feet played tricks to the beat of the tireless measure, that exquisitely asinine blare which is England's punishment for having lost America.
- Of, pertaining to, or characteristic of donkeys.
failing to exercise intelligence or judgment
of or relating to a donkey