1
snob
1
stupid(adjective, careless, illogical)
1
thoughtless(adjective, reasonable, careless, stupid, prudent)
1
unconvincing
1
undiscerning(reasonable, sensible)
1
unhinged
1
uninformed
1
unjustified
1
unreasoning
1
unscientific
1
unsubstantiated
1
unsupported
1
unsystematic(adjective, careless, stupid, illogical)
1
wacky
1
weak
1
weak-minded
1
zany
0
asinine
0
batty
0
false
10 years ago|4k views|share |citing 
APASmart Define. (2016). rational thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/rational/thesaurus/antonyms
ChicagoSmart Define. 2016. "rational thesaurus" https://smartdefine.org/rational/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, rational thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/rational/thesaurus/antonyms>.
MLASmart Define. "rational thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/rational/thesaurus/antonyms>