/ Dictionary / Index A asinine: Meaning and Definition of Find definitions for: as•i•nine Pronunciation: (as'u-nīn"), [key] — adj. foolish, unintelligent, or silly; stupid: It is surprising that supposedly intelligent people can make such asinine statements. of or like an ass: asinine obstinacy; asinine features. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: asinine (Thesaurus) Asine Asir Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language