130 entries under ridiculous topic. ×

9
sappy(adjective, knowledge, slang, ability, informal)
9
unthinkable(adjective, unusual, unreasonable, useless)
8
grotesque(adjective, ugly, misshapen)
8
unbelievable(adjective, hard, difficult, strange, marvelous)
7
curious(adjective, happy, perfect, strange, crazy)
7
eccentric(adjective, wild, strange, silly, foolish)
7
goofy(adjective, light, informal, silly, foolish)
7
harebrained(adjective, weak, simple, knowledge, ability)
7
tomfool(adjective, knowledge, ability, foolish, senseless)
7
unsound(adjective, wrong, silly, foolish, stupid)
7
unwise(adjective, weak, simple, wrong, wild)
6
daffy(adjective, weak, simple, silly, foolish)
6
dubious(adjective, doubtful, improbable)
6
inept(adjective, suitable, improper)
6
screwy(adjective, light, wild, silly, foolish)
5
batty(adjective, light, wild, silly, foolish)
5
cockamamie(adjective, weak, simple, wrong, silly)
5
futile(adjective, value, silly, stupid, insignificant)
5
kooky(adjective, weak, simple, wrong, wild)
5
oddball(adjective, strange, crazy)
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APASmart Define. (2015). absurd thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/absurd/thesaurus/synonyms
ChicagoSmart Define. 2015. "absurd thesaurus" https://smartdefine.org/absurd/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, absurd thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/absurd/thesaurus/synonyms>.
MLASmart Define. "absurd thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/absurd/thesaurus/synonyms>