Synonyms|1.7kAntonyms|350|Broader|23Narrower|6Related|1.9k
2
dim
2
dopey
2
heavy
2
idle(adjective, clumsy, delayed)
2
indolent
2
inept(adjective, dull)
2
laggard
2
lagging
2
languid
2
obtuse(adjective, slow)
2
tardy
2
thick
2
thickheaded
2
vacuous
1
dead
1
airheaded
1
asleep
1
birdbrained
1
boneheaded
1
brain-dead
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APASmart Define. (2016). quick thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/quick/thesaurus/antonyms
ChicagoSmart Define. 2016. "quick thesaurus" https://smartdefine.org/quick/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2016, quick thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/quick/thesaurus/antonyms>.
MLASmart Define. "quick thesaurus" 1 April 2016. Web. 21 September 2026. <https://smartdefine.org/quick/thesaurus/antonyms>