139 entries under silly topic. ×

2
screw loose(expression, foolish, mad, insane)
2
strange(foolish, unwise)
2
unreasonable(adjective, weak, simple, foolish)
2
unwise(weak, simple, foolish, thoughtless)
1
ape(foolish, crazy, mad, insane)
1
birdbrained(foolish, crazy, insane, unintelligent)
1
bizarre(adjective, wrong, wild, foolish)
1
brainless(weak, simple, foolish, thoughtless)
1
cockamamy(foolish, thoughtless, unwise, unintelligent)
1
derailed(adjective, wrong, wild, foolish)
1
dingy(foolish, mad, insane, unwise)
1
doltish(weak, simple, foolish, thoughtless)
1
dull(foolish, crazy, insane, unintelligent)
1
erratic(adjective, wild, foolish, crazy)
1
feebleminded(weak, simple, foolish, thoughtless)
1
flipped(foolish, hot, crazy, mad)
1
ill-advised(weak, simple, foolish, thoughtless)
1
ill-considered(weak, simple, foolish, thoughtless)
1
impractical(adjective, wrong, wild, foolish)
1
imprudent(weak, simple, foolish, thoughtless)
11 years ago|27k views|share |citing 
APASmart Define. (2015). lunatic thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/lunatic/thesaurus/synonyms
ChicagoSmart Define. 2015. "lunatic thesaurus" https://smartdefine.org/lunatic/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, lunatic thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/lunatic/thesaurus/synonyms>.
MLASmart Define. "lunatic thesaurus" 6 August 2015. Web. 27 September 2026. <https://smartdefine.org/lunatic/thesaurus/synonyms>