194 entries under adjective topic. ×

1
fantastical(crazy, mad, odd, insane)
1
feverish
1
fiendish
1
fried(crazy, mad)
1
gone doolally(crazy, mad, odd, insane)
1
impractical(wrong, wild, silly, foolish)
1
incoherent
1
irresponsible(wrong, wild, silly, foolish)
1
laughable
1
luny
1
off one's trolley
1
off the wall(expression, idiom, simple, silly)
1
quirky
1
risible
1
sappy(knowledge, slang, ability)
1
stark raving mad(idiom, sane)
1
terrible(crazy, mad, odd, insane)
1
unearthly(knowledge, ability)
1
vacuous
1
vehement(crazy, mad, odd, insane)
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>