107 entries under irrational topic. ×

1
specious(foolish, unreasonable, illogical, unreasoned)
1
unbalanced(adjective, wrong, wild, silly, foolish)
1
unconventional(adjective, severe, harsh, foolish, exceptional)
1
unsound(foolish, crazy, mad, unreasonable)
1
untenable(absurd, unbelievable, implausible, improbable)
1
vacant(adjective, foolish, stupid, senseless)
1
wasteful(adjective, unreasonable, extravagant, ridiculous, excessive)
1
wrong(false, wild, foolish, awkward, unreasonable)
0
all wet(expression, foolish, stupid, senseless)
0
arbitrary(foolish, stupid, senseless, perverse)
0
avid(adjective, rough, foolish, crazy)
0
bad-tempered(arbitrary, perverse)
0
berserk(adjective, rough, wild, silly, foolish)
0
biased(foolish, stupid, senseless, arbitrary)
0
boisterous(adjective, rough, foolish, crazy)
0
chaotic(adjective, rough, foolish, crazy)
0
difficult(hard, arbitrary, perverse)
0
disorderly(adjective, foolish, crazy, outrageous)
0
eager(adjective, rough, foolish, crazy)
0
enthusiastic(adjective, rough, foolish, crazy)
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APASmart Define. (2015). preposterous thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/preposterous/thesaurus/synonyms
ChicagoSmart Define. 2015. "preposterous thesaurus" https://smartdefine.org/preposterous/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, preposterous thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/preposterous/thesaurus/synonyms>.
MLASmart Define. "preposterous thesaurus" 2 September 2015. Web. 24 September 2026. <https://smartdefine.org/preposterous/thesaurus/synonyms>