13
torpid(adjective, dull, quiet, hard, weak)
12
deaf(adjective, sharp, rude, coarse, short)
12
hard(adjective, person, mean, cool, unpleasant)
12
passable(adjective, reasonable, sensible, fair, restrained)
12
regardless(adjective, soft, slow, careless, casual)
12
unimportant(adjective, slight, lower, cold, value)
12
uninvolved(adjective, calm, dull, quiet, concern)
12
unmindful(noun, adjective, soft, sharp, rude)
11
blasé(adjective, calm, cool, relaxed, cold)
11
easygoing(adjective, feature, state, calm, dull)
11
halfhearted(adjective, mean, hard, cool, temper)
11
icy(adjective, mean, hard, cool, temper)
11
objective(adjective, calm, fair, detached, casual)
11
sluggish(adjective, calm, dull, weak, easy)
11
undistinguished(adjective, good, simple, moderate, lower)
11
unmotivated(adjective, uninspired)
10
hard-hearted(adjective, calm, person, hard, feelings)
10
inactive(adjective, dull, quiet, weak, easy)
10
numb(adjective, dull, quiet, flat, heavy)
10
passionless(adjective, calm, dull, quiet, cool)
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APASmart Define. (2016). indifferent thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/indifferent/thesaurus/synonyms
ChicagoSmart Define. 2016. "indifferent thesaurus" https://smartdefine.org/indifferent/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, indifferent thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/indifferent/thesaurus/synonyms>.
MLASmart Define. "indifferent thesaurus" 23 March 2016. Web. 20 September 2026. <https://smartdefine.org/indifferent/thesaurus/synonyms>