108 entries under undisturbed topic. ×

1
fixed(adjective, calm, quiet, smooth, firm)
1
hard-hearted(adjective, calm, indifferent, restrained, unsympathetic)
1
hardened(adjective, cool, indifferent, blank, aloof)
1
insensible(adjective, cool, indifferent, blank, aloof)
1
lukewarm(adjective, calm, cool, relaxed, indifferent)
1
stagnant(adjective, calm, quiet, smooth, shy)
1
supine(adjective, indifferent, unconcerned, unsympathetic, inattentive)
1
uninterrupted(adjective, quiet, soft, gentle, flat)
1
uninvolved(adjective, calm, light, simple, easy)
1
unsympathetic(adjective, indifferent, inattentive, uninterested, nonchalant)
0
blind(adjective, indifferent, unsympathetic, inattentive, uninterested)
0
carefree apathetic(expression, indifferent, unsympathetic, inattentive, uninterested)
0
deaf(adjective, indifferent, unsympathetic, inattentive, uninterested)
0
forgetful(adjective, indifferent, unsympathetic, inattentive, uninterested)
0
inattentive(adjective, indifferent, unsympathetic, uninterested, nonchalant)
0
incurious(adjective, calm, cool, relaxed, indifferent)
0
insensitive(adjective, indifferent, unsympathetic, inattentive, uninterested)
0
isolated(adjective, shy, stable, peaceful, tranquil)
0
oblivious(adjective, indifferent, unsympathetic, inattentive, uninterested)
0
private(adjective, shy, stable, peaceful, tranquil)
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APASmart Define. (2015). serene thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/serene/thesaurus/synonyms
ChicagoSmart Define. 2015. "serene thesaurus" https://smartdefine.org/serene/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, serene thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/serene/thesaurus/synonyms>.
MLASmart Define. "serene thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/serene/thesaurus/synonyms>