92 entries under indifferent topic. ×

12
flat(adjective, dull, quiet, slow)
11
calm(adjective, quiet, cool, gentle)
11
phlegmatic(adjective, dull, quiet, weak, easy)
11
supine(adjective, dull, quiet, weak, easy)
9
asleep(adjective, action, calm, dull, quiet)
9
easy(adjective, dull, quiet, weak, slow)
9
lackadaisical(adjective, dull, quiet, weak, easy)
9
somnolent(adjective, action, dull, quiet, slow)
8
latent(adjective, action, calm, quiet, show)
6
comatose(adjective, dull, quiet, weak, easy)
5
dilatory(adjective, dull, quiet, moderate, easy)
5
neutral(adjective, quiet, cool, still)
5
relaxed(adjective, quiet, cool, slow)
5
stolid(adjective, dull, quiet, flat, slow)
5
unconcerned(adjective, dull, quiet, cool, weak)
4
submissive(adjective, quiet, apathetic, lifeless)
4
uninvolved(adjective, quiet, detached, aloof)
3
cool(adjective, quiet, smooth, mild)
3
disengaged(adjective, action, idle, detached)
3
drowsy(adjective, dull, quiet, easy, slow)
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APASmart Define. (2015). inactive thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/inactive/thesaurus/synonyms
ChicagoSmart Define. 2015. "inactive thesaurus" https://smartdefine.org/inactive/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, inactive thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/inactive/thesaurus/synonyms>.
MLASmart Define. "inactive thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/inactive/thesaurus/synonyms>