Asinine Definition

ăsə-nīn

adjective

Utterly stupid or silly.

Asinine behavior.

American Heritage

Of or like an ass; esp., having qualities regarded as characteristic of asses; stupid, silly, obstinate, etc.

Webster's New World

Of, relating to, or resembling an ass.

American Heritage

Utterly stupid or silly.

Asinine behavior.

American Heritage

Of, relating to, or resembling an ass.

American Heritage

Synonyms:

Origin of Asinine

Latin asinīnus of an ass from asinus ass of pre-Roman Mediterranean origin akin to Armenian ēs 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 atānu she-ass

From American Heritage Dictionary of the English Language, 5th Edition
Latin asinīnus of an ass from asinus ass of pre-Roman Mediterranean origin akin to Armenian ēs 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 atānu she-ass

From American Heritage Dictionary of the English Language, 5th Edition
From Latin asinīnus (“of a donkey or ass”).

From Wiktionary

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