assinine

Adjective

asinine (comparative more asinine, superlative most asinine)

1. Very foolish; failing to exercise intelligence or judgement or rationality.
   • 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.1922, Michael Arlen, “2/2/2”, in “Piracy”: A Romantic Chronicle of These Days

   Synonyms:

   foolish, obstinate

2. Characteristic of an ass (an asshole): objectionably inconsiderate or jerky.
   • Philo Vance is an asinine jerk - a rude, Nietzschean snob who holds most of the people he meets and the things he sees in utter disdain. He's an insufferable smarty-pants, always convinced he's right and that everyone else is wrong. Of course, he is right, but that doesn't make him any less of a...2017 February 10, Tim DeForest, Radio by the Book: Adaptations of Literature and Fiction on the Airwaves, McFarland, →ISBN, page 63
3. Of, pertaining to, or characteristic of donkeys.
   • Don Quixote had put himself but a little way ayont the village of Don Diego, when he encountered two apparent priests, or students, and two husbandmen, who came mounted on four asinine beasts.1881, Miguel de Cervantes Saavedra, The Ingenious Knight: Don Quixote de la Mancha, page 84

   Synonyms:

   donkeyish