100 entries under silly topic. ×

2
unbalanced(adjective, unusual, strange, foolish)
1
absurd(adjective, wrong, wild, strange)
1
ape(foolish, mad, insane, unwise)
1
barmy(foolish, mad, insane, unwise)
1
bemused(adjective, careless, unsteady, inconstant)
1
berserk(foolish, mad, insane, unwise)
1
bonkers(foolish, mad, insane, unwise)
1
brainless(adjective, careless, unsteady, inconstant)
1
cockeyed(unusual, wild, strange, foolish)
1
cracked(foolish, mad, insane, unwise)
1
delirious(foolish, mad, insane, unwise)
1
dingy(foolish, mad, insane, unwise)
1
dippy(foolish, mad, insane, unwise)
1
ditzy(adjective, careless, unsteady, inconstant)
1
empty-headed(adjective, careless, unreliable, changeable)
1
fatuous(foolish, unwise)
1
flipped(foolish, mad, insane, unwise)
1
flustered(adjective, careless, unsteady, inconstant)
1
fruity(foolish, mad, insane, unwise)
1
goofy(foolish, 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>