101 entries under silly topic. ×

6
potty(adjective, foolish, mad, insane)
6
senseless(adjective, weak, simple, strange)
6
witless(adjective, weak, simple, foolish)
5
deranged(adjective, foolish, crazy, mad)
5
irresponsible(adjective, foolish, stupid, absurd)
5
screwball(adjective, foolish, mad, insane)
4
brainless(weak, simple, foolish, stupid)
4
demented(adjective, foolish, crazy, mad)
4
flaky(adjective, light, stupid, crazy)
4
imprudent(adjective, weak, simple, foolish)
4
inane(adjective, strange, foolish, stupid)
4
rash(adjective, foolish, thoughtless, unwise)
4
unwise(adjective, weak, simple, foolish)
3
eccentric(foolish, unwise)
3
mental(adjective, foolish, mad, insane)
3
out to lunch(expression, adjective, idiom, mad)
3
reckless(thoughtless, unwise)
3
short-sighted(adjective, weak, simple, foolish)
3
touched(adjective, foolish, mad, insane)
3
unbalanced(adjective, foolish, mad, insane)
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APASmart Define. (2015). dippy thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/dippy/thesaurus/synonyms
ChicagoSmart Define. 2015. "dippy thesaurus" https://smartdefine.org/dippy/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, dippy thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/dippy/thesaurus/synonyms>.
MLASmart Define. "dippy thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/dippy/thesaurus/synonyms>