0
foolish(adjective, silly, stupid, fantastic, unwise)
0
frantic(adjective, foolish, fantastic, lunatic, aper)
0
frenetic(adjective, foolish, fantastic)
0
generative(unglued, well-built, potty)
0
half-baked(silly, foolish, unwise)
0
hare
0
harebrained(silly, foolish, unwise)
0
hatter
0
have nobody home
0
ill
0
ill-conceived(adjective, wild, silly, foolish, senseless)
0
illogical(adjective, foolish, fantastic)
0
impracticable(silly, foolish, unwise)
0
imprudent(adjective, silly, foolish, fantastic, unwise)
0
inane(silly, foolish, unwise)
0
inappropriate(silly, foolish, unwise)
0
invalid(adjective, foolish, fantastic)
0
kinky
0
looney
0
ludicrous(adjective, silly, foolish, fantastic, unwise)
11 years ago|2.6k views|share |citing 
APASmart Define. (2015). of unsound mind thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/of_unsound_mind/thesaurus/synonyms
ChicagoSmart Define. 2015. "of unsound mind thesaurus" https://smartdefine.org/of_unsound_mind/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, of unsound mind thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/of_unsound_mind/thesaurus/synonyms>.
MLASmart Define. "of unsound mind thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/of_unsound_mind/thesaurus/synonyms>