2
reckless(adjective, crazy, mad, odd, insane)
2
ridiculous(adjective, weak, simple, wild, silly)
2
round the bend(expression, idiom, silly, foolish, mad)
2
screw loose(expression, silly, foolish, mad, insane)
2
sick(ill, unhealthy, frail)
2
strange(silly, foolish, unwise)
2
tetched
2
unreasonable(adjective, weak, simple, silly, foolish)
2
unstable(false, mad, ill, shaky, insane)
2
unwise(weak, simple, silly, foolish, thoughtless)
2
wacko
2
weirdie(noun, slang, wise)
1
agonized(adjective, crazy, mad, odd, insane)
1
ape(silly, foolish, crazy, mad, insane)
1
babbling(adjective, insane)
1
backward
1
birdbrained(silly, foolish, crazy, insane, unintelligent)
1
bizarre(adjective, wrong, wild, silly, foolish)
1
blithering(adjective, insane)
1
borderline case
<1…678910>
11 years ago|27k views|share |citing 
APASmart Define. (2015). lunatic thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/lunatic/thesaurus/synonyms
ChicagoSmart Define. 2015. "lunatic thesaurus" https://smartdefine.org/lunatic/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, lunatic thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/lunatic/thesaurus/synonyms>.
MLASmart Define. "lunatic thesaurus" 6 August 2015. Web. 25 September 2026. <https://smartdefine.org/lunatic/thesaurus/synonyms>