45 entries under adjective topic. ×

2
loopy(knowledge, ability, informal, foolish)
2
moronic(knowledge, ability)
2
nonsensical(knowledge, ability)
2
sappy(knowledge, slang, ability)
2
senseless
2
silly(knowledge, ability)
2
unbalanced
2
unintelligent
2
wacky(knowledge, slang, ability)
2
zany(knowledge, ability)
1
ill
1
infatuated
1
insensible
1
irrational
1
sick
1
unearthly(knowledge, ability)
0
ailing
0
childish
0
delirious
0
frenetic
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APASmart Define. (2013). softheaded thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/softheaded/thesaurus/synonyms
ChicagoSmart Define. 2013. "softheaded thesaurus" https://smartdefine.org/softheaded/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2013, softheaded thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/softheaded/thesaurus/synonyms>.
MLASmart Define. "softheaded thesaurus" 17 October 2013. Web. 23 September 2026. <https://smartdefine.org/softheaded/thesaurus/synonyms>