Synonyms|800Antonyms|164|Broader|38Narrower|54Related|2.2k

172 entries under foolish topic. ×

42
mad(noun, adjective, upset, characteristic, person)
42
crazy(adjective, upset, characteristic, weak, simple)
41
psychotic(noun, adjective, characteristic, person)
39
demented(adjective, upset, characteristic, wrong, false)
39
lunatic(noun, adjective, characteristic, person, weak)
38
irrational(adjective, characteristic, weak, simple, violent)
38
wild(adjective, characteristic, wrong, strange, silly)
36
daft(adjective, characteristic, weak, simple, wild)
36
loony(adjective, characteristic, weak, simple, wrong)
35
deranged(adjective, characteristic, false, wild, silly)
35
cuckoo(noun, adjective, characteristic, person, slang)
32
nutty(adjective, characteristic, weak, simple, wrong)
31
batty(adjective, characteristic, slang, wild, silly)
29
crazed(adjective, upset, characteristic, false, violent)
28
nuts(noun, adjective, characteristic, slang, wild)
27
touched(adjective, characteristic, wild, silly)
26
schizophrenic(noun, adjective, characteristic, person, silly)
26
cracked(adjective, characteristic, informal, wild, silly)
26
fatuous(adjective, characteristic, weak, simple, wild)
26
idiotic(adjective, characteristic, weak, simple, knowledge)
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HarvardSmart Define 2015, insane thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/insane/thesaurus/synonyms>.
MLASmart Define. "insane thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/insane/thesaurus/synonyms>