104 entries under silly topic. ×

2
mad as a hatter(expression, adjective, idiom, wild)
2
mentally strange(expression, adjective, foolish, mad)
2
nutty as fruitcake(expression, adjective, idiom, wild)
2
psycho(adjective, foolish, mad, insane)
2
psychopathic(adjective, foolish, stupid, crazy)
2
raving(adjective, foolish, stupid, crazy)
2
round the bend(expression, adjective, idiom, wild)
2
schizophrenic(adjective, foolish, stupid, crazy)
2
screw loose(expression, adjective, wild, foolish)
2
senseless(adjective, foolish, stupid, crazy)
2
strange(foolish, unwise)
2
unglued(adjective, wild, foolish, mad)
2
unsettled(adjective, foolish, stupid, crazy)
1
ape(adjective, foolish, mad, insane)
1
aper(adjective, mad, confused, insane)
1
bizarre(adjective, foolish, stupid, crazy)
1
derailed(adjective, foolish, stupid, crazy)
1
dingy(adjective, foolish, mad, insane)
1
dippy(adjective, foolish, mad, insane)
1
erratic(adjective, foolish, mad, insane)
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APASmart Define. (2015). of unsound mind thesaurus. Retrieved September 29, 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 29, 2026).
HarvardSmart Define 2015, of unsound mind thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/of_unsound_mind/thesaurus/synonyms>.
MLASmart Define. "of unsound mind thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/of_unsound_mind/thesaurus/synonyms>