6
inconceivable(adjective, absurd, unbelievable, implausible, preposterous)
6
inconsistent(adjective, simple, silly, stupid, crazy)
6
injudicious(adjective, weak, simple, mind, think)
6
loony(adjective, light, weak, simple, wrong)
6
odd(adjective, wild, strange, silly, foolish)
6
pathetic(adjective, pitiful, laughable, contemptible)
6
pointless(adjective, simple, silly, foolish, stupid)
6
unwise(adjective, weak, simple, wrong, wild)
5
strange(adjective, wild, silly, foolish, marvelous)
5
antic(adjective, stupid, funny)
5
cockamamie(adjective, weak, simple, wrong, silly)
5
daffy(adjective, weak, simple, silly, foolish)
5
dotty(adjective, weak, simple, strange, silly)
5
extreme(adjective, strange, stupid, crazy, unreasonable)
5
far-fetched(adjective, marvelous, fantastic, absurd, implausible)
5
frivolous(adjective, simple, pleasant, smart, silly)
5
impractical(adjective, silly, foolish, stupid, half-baked)
5
improper(adjective, imbecility folly)
5
irresponsible(adjective, silly, foolish, stupid, fantastic)
5
peculiar(adjective, unusual, wild, strange, silly)
10 years ago|23k views|share |citing 
APASmart Define. (2016). ridiculous thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/ridiculous/thesaurus/synonyms
ChicagoSmart Define. 2016. "ridiculous thesaurus" https://smartdefine.org/ridiculous/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, ridiculous thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/ridiculous/thesaurus/synonyms>.
MLASmart Define. "ridiculous thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/ridiculous/thesaurus/synonyms>