1
beyond reason(expression, foolish, fantastic, unrealistic)
1
big-ticket(adjective, expensive, steep, high-priced, costly)
1
bird-brained
1
birdbrained(silly, foolish, impractical, unintelligent, unaware)
1
blind
1
blockheaded(impractical, half-baked, doomed)
1
boneheaded(silly, impractical, unintelligent, unaware, half-baked)
1
bootless
1
camp(light, wild, crazy, funny, absurd)
1
campy(strange, stupid, funny, senseless, ridiculous)
1
caricatural
1
certifiable
1
chucklesome
1
cock-eyed
1
comedic
1
contradictory(adjective, absurd)
1
costly(adjective, excessive, expensive, steep, high-priced)
1
crack-brained
1
crack up(expression, funny, amusing, farcical)
1
cracked(silly, foolish, unwise)
11 years ago|15k views|share |citing 
APASmart Define. (2015). ludicrous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/ludicrous/thesaurus/synonyms
ChicagoSmart Define. 2015. "ludicrous thesaurus" https://smartdefine.org/ludicrous/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, ludicrous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/ludicrous/thesaurus/synonyms>.
MLASmart Define. "ludicrous thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/ludicrous/thesaurus/synonyms>