1
abnormal(adjective, wrong, false, awkward, inadequate)
1
addle-brained
1
addle-pated
1
airheaded
1
amusingly absurd
1
anachronistic(adjective, absurd)
1
annoying(adjective, amusing, irritating, ironic)
1
ape(silly, foolish, unwise)
1
askew
1
at a premium(expression, adjective, idiom, expensive, steep)
1
at odds(expression, adjective, wrong, false, awkward)
1
attocerebral
1
atypical
1
backward(foolish, stupid, impractical, half-baked, doomed)
1
bad form(expression, adjective, wrong, false, awkward)
1
bananas(foolish, fantastic)
1
bats in the belfry(expression, idiom, silly, foolish, unwise)
1
berserk(silly, foolish, unwise)
1
beyond all reason(expression, idiom, silly, foolish, fantastic)
1
beyond belief
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>