2
kooky(weak, simple, silly, foolish, thoughtless)
2
lunatic(adjective, weak, simple, silly, foolish)
2
rattle-brained
2
reckless(careless, silly, stupid, thoughtless, unwise)
2
screwball
2
simple-minded(adjective, silly, foolish, stupid, green)
2
sophomoric(adjective, senseless)
2
stolid
2
thickheaded
2
tomfool(adjective, foolish)
2
trifling
2
unreasoned
2
weak(simple, silly, foolish, thoughtless, absurd)
2
witty(adjective, ridiculous, pitiful, pathetic, humorous)
2
worthless
1
addle-brained
1
airy
1
anserine
1
ass
1
attocerebral
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>