Synonyms|1.3kAntonyms|204|Broader|26Narrower|7Related|804

104 entries under foolish topic. ×

2
batty(silly, mad, unstable, insane)
2
crazed(adjective, wild, silly, crazy)
2
cuckoo(silly, mad, insane, unwise)
2
daft(adjective, wild, silly, crazy)
2
flipped out(expression, silly, mad, insane)
2
freaked out(expression, silly, mad, insane)
2
incoherent(adjective, wrong, stupid, uncertain)
2
loony(adjective, wild, silly, crazy)
2
mad as a March hare(expression, idiom, silly, mad)
2
mad as a hatter(expression, idiom, silly, mad)
2
mentally strange(expression, silly, mad, insane)
2
nutty as fruitcake(expression, idiom, silly, mad)
2
of unsound mind(expression, idiom, silly, mad)
2
out to lunch(expression, idiom, silly, mad)
2
outrageous(unusual, strange, silly, unwise)
2
potty(silly, mad, insane, unwise)
2
psycho(silly, mad, insane, unwise)
2
round the bend(expression, idiom, silly, mad)
2
screw loose(expression, silly, mad, insane)
2
senseless(silly, stupid, irrational, unwise)
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APASmart Define. (2016). erratic thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/erratic/thesaurus/synonyms
ChicagoSmart Define. 2016. "erratic thesaurus" https://smartdefine.org/erratic/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, erratic thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/erratic/thesaurus/synonyms>.
MLASmart Define. "erratic thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/erratic/thesaurus/synonyms>