55 entries under simple topic. ×

50
ridiculous(adjective, light, weak, pleasant)
46
absurd(adjective, light, weak, wild)
36
preposterous(adjective, weak, wrong, false)
34
crazy(adjective, light, weak, wild)
32
laughable(adjective, dull, light, pleasant)
32
silly(adjective, light, weak, wild)
31
nonsensical(adjective, dull, weak, wild)
31
foolish(adjective, dull, weak, wild)
20
stupid(adjective, dull, weak, wild)
19
mad(adjective, weak, wild, strange)
18
idiotic(adjective, dull, weak, wild)
18
fatuous(adjective, weak, wild, strange)
16
senseless(adjective, dull, weak, wild)
16
inane(adjective, dull, wild, strange)
13
imbecilic(adjective, dull, weak, silly)
12
asinine(adjective, weak, silly, foolish)
12
irrational(adjective, weak, wild, strange)
12
moronic(adjective, dull, weak, silly)
11
insane(adjective, weak, silly, foolish)
10
nutty(adjective, light, weak, wild)
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APASmart Define. (2015). ludicrous thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/ludicrous/thesaurus/synonyms
ChicagoSmart Define. 2015. "ludicrous thesaurus" https://smartdefine.org/ludicrous/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, ludicrous thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/ludicrous/thesaurus/synonyms>.
MLASmart Define. "ludicrous thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/ludicrous/thesaurus/synonyms>