390 entries under adjective topic. ×

17
farcical(strange, funny, ridiculous, absurd)
17
outlandish(hard, unusual, strange, ridiculous)
16
implausible(hard, great, difficult, extraordinary)
16
irrational(weak, simple, wrong, severe)
15
asinine(weak, simple, foolish, stupid)
14
fatuous(wrong, wild, foolish, stupid)
14
inane(foolish, stupid, fantastic, senseless)
14
risible(funny, fantastic, absurd, amusing)
14
unbelievable(hard, great, obscure, difficult)
13
imbecilic(weak, simple, knowledge, ability)
12
exorbitant(hard, difficult, offensive, unreasonable)
12
impossible(false, ridiculous, absurd, bizarre)
12
moronic(weak, simple, knowledge, ability)
12
nutty(weak, simple, wrong, wild)
11
excessive(severe, harsh, offensive, false)
10
illogical(strange, sense, stupid, unreasonable)
10
loony(weak, simple, wrong, knowledge)
10
unconscionable(offensive, usual, unreasonable, extreme)
10
unthinkable(unusual, unreasonable, useless, ridiculous)
10
wacky(weak, simple, wrong, knowledge)
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APASmart Define. (2015). preposterous thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/preposterous/thesaurus/synonyms
ChicagoSmart Define. 2015. "preposterous thesaurus" https://smartdefine.org/preposterous/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, preposterous thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/preposterous/thesaurus/synonyms>.
MLASmart Define. "preposterous thesaurus" 2 September 2015. Web. 22 September 2026. <https://smartdefine.org/preposterous/thesaurus/synonyms>