4
emotionless(adjective, description, characteristics, traits, situations)
4
world-weary(expression, adjective, emotions, characteristics, sensations)
3
passionless(adjective, emotions, characteristics, sensations)
3
spiritless(adjective, emotions, characteristics, sensations)
3
stolid(adjective, emotions, characteristics, sensations)
3
uncaring(adjective, description, characteristics, situations)
3
unconcerned(adjective, emotions, characteristics, sensations)
3
unenthused(adjective, description, characteristics, traits)
3
yawning(adjective, attitude, characteristics, states)
2
jaded(adjective, emotions, characteristics, sensations)
2
phlegmatic(adjective, description, characteristics, traits)
2
passive(adjective, description, characteristics, traits)
2
sick and tired(expression, idiom, emotions, states, sensations)
1
lukewarm(adjective, description, emotions, characteristics, traits)
1
tepid(adjective, description, emotions, characteristics, traits)
1
cool(adjective, description, emotions, characteristics, traits)
1
dismissive(adjective, character, characteristics, traits)
1
lacklustre(adjective, description, characteristics, traits)
1
boring
1
chill(adjective, description, characteristics, situations)
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APASmart Define. (1970). lacking interest thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/lacking_interest/thesaurus/synonyms
ChicagoSmart Define. 1970. "lacking interest thesaurus" https://smartdefine.org/lacking_interest/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 1970, lacking interest thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/lacking_interest/thesaurus/synonyms>.
MLASmart Define. "lacking interest thesaurus" 1 January 1970. Web. 21 September 2026. <https://smartdefine.org/lacking_interest/thesaurus/synonyms>