The definition of asinine is to be silly, stupid or ridiculous.
Lacking sense or meaning; foolish; silly
Having or showing little sense, judgment, or sobriety; foolish, stupid, absurd, ludicrous, irrational, etc.
Capable of arousing laughter; absurd or ridiculous:
Exhibiting profound mental retardation. The term belongs to a classification system no longer in use and is now considered offensive.
Showing foolishness or stupidity.
Having or showing a lack or deficiency of intelligence
(Archaic) Brisk; fresh.
Knowing or realizing; conscious; informed
The definition of sensible is someone or something that conforms with the rules of logic and that makes sense given the situation.
Having the nature of a delusion; false:
Displaying a complete lack of forethought and good sense
Devoid of expression; vacant:
Showing sound judgment and rationality:
Find another word for fatuous. In this page you can discover 37 synonyms, antonyms, idiomatic expressions, and related words for fatuous, like: asinine, inane, bright, silly, foolish, idiotic, stupid, brainless, imbecile, moronic and ridiculous.