3
soft(adjective, silly, stupid, green, fat)
3
unintelligent(adjective, weak, simple, silly, foolish)
3
unmindful(adjective, silly, foolish, senseless, unnecessary)
3
unsound(adjective, simple, silly, foolish, stupid)
3
useless(adjective, ridiculous, absurd, pointless, vain)
3
vain(adjective, silly, ridiculous, absurd, pointless)
3
vapid
3
wild
3
zany(adjective, weak, simple, silly, foolish)
2
balmy
2
barmy
2
blockish
2
cockamamy(silly, foolish, thoughtless, unwise, unintelligent)
2
crack-brained
2
credulous(adjective, silly, stupid, green, fat)
2
deerlike
2
dense(adjective, dull, simple, silly, foolish)
2
empty-headed
2
equestrian
2
equine
11 years ago|18k views|share |citing 
APASmart Define. (2015). asinine thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/asinine/thesaurus/synonyms
ChicagoSmart Define. 2015. "asinine thesaurus" https://smartdefine.org/asinine/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, asinine thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/asinine/thesaurus/synonyms>.
MLASmart Define. "asinine thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/asinine/thesaurus/synonyms>