The definition of asinine is to be silly, stupid or ridiculous.
An example of asinine is a foolish prank played on a friend.
of or like an ass; esp., having qualities regarded as characteristic of asses; stupid, silly, obstinate, etc.
Origin of asinineClassical Latin asininus ; from asinus, ass
- Utterly stupid or silly: asinine behavior.
- Of, relating to, or resembling an ass.
Origin of asinineLatin asin&imacron;nus, of an ass, from asinus, ass, of pre-Roman Mediterranean origin; akin to Armenian &emacron;s, Greek onos, and Hieroglyphic Luwian -asna- in tarkasna-, ass, all probably ultimately from an ancient Near Eastern source akin to Sumerian anše, ass, and perhaps Akkadian atanu, she-ass.
(comparative more asinine, superlative most asinine)
From Latin asinīnus (“of a donkey or ass”).