2
jovial(adjective, happy)
2
mental
2
meshuga
2
naif
2
of unsound mind(adjective, idiom, sane)
2
psycho
2
simple(adjective, weak, slow, silly, foolish)
2
slaphappy(silly, preposterous, wacky, impossible, ludicrous)
2
squirrelly(adjective, slang, crazy, mad)
2
thoughtless(silly, unwise)
2
unintelligent(adjective, weak, simple, slow, silly)
2
unreasonable(adjective, weak, simple, strange, foolish)
2
unwise(weak, simple, silly, foolish, thoughtless)
2
vacuous(adjective, simple, slow, stupid, boring)
2
weak-minded
1
airy(adjective, pleasant, happy, cheerful, jolly)
1
amiable(adjective, pleasant, happy, cheerful, jolly)
1
amusing
1
animated(adjective, pleasant, happy, cheerful, jolly)
1
around the bend(adjective, idiom, sane)
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APASmart Define. (2015). daffy thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/daffy/thesaurus/synonyms
ChicagoSmart Define. 2015. "daffy thesaurus" https://smartdefine.org/daffy/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, daffy thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/daffy/thesaurus/synonyms>.
MLASmart Define. "daffy thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/daffy/thesaurus/synonyms>