1
deadened
1
decreased
1
detached
1
diminished
1
dimmed
1
dippy
1
dispassionate(adjective, calm, indifferent)
1
dotty
1
eased
1
enervated
1
even
1
execrable
1
fading
1
featherheaded
1
feebleminded
1
fool
1
goofy
1
half-baked
1
harebrained
1
illiterate
10 years ago|5.6k views|share |citing 
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>