Synonyms|2.7kAntonyms|429|Broader|25Narrower|19Related|3k
3
opaque
3
spiritless
3
uneager
3
unperceptive
2
disinclined
2
incurious
2
insensible
2
lackadaisical
2
languid
2
loath
2
vacuous
2
airheaded
2
averse
2
birdbrained
2
blunted
2
boneheaded
2
chuckleheaded
2
dead
2
dense
2
dim-witted
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APASmart Define. (2016). keen thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/keen/thesaurus/antonyms
ChicagoSmart Define. 2016. "keen thesaurus" https://smartdefine.org/keen/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2016, keen thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/keen/thesaurus/antonyms>.
MLASmart Define. "keen thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/keen/thesaurus/antonyms>