1
imperturbable(adjective, calm, cool, relaxed, restrained)
1
impervious(adjective, calm, restrained, subdued, impassive)
1
inconsiderate
1
incurious(adjective, calm, cool, relaxed, indifferent)
1
indevotional
1
indevout
1
indifferentist
1
ineffective
1
ineffectual
1
inhibited(adjective, calm, cool, restrained, unfriendly)
1
inhospitable(adjective, cool, unfriendly, aloof, distant)
1
inhuman(adjective, temper, cold, negative, behave)
1
irresolved
1
isocheimal
1
knowing(adjective, cool, indifferent, sophisticated, apathetic)
1
laid back(expression, adjective, calm, cool, relaxed)
1
lenient(adjective, calm, weak, smooth, soft)
1
lenitive(adjective, calm, weak, smooth, soft)
1
light(adjective, calm, cool, weak, smooth)
1
luke
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APASmart Define. (2016). lukewarm thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/lukewarm/thesaurus/synonyms
ChicagoSmart Define. 2016. "lukewarm thesaurus" https://smartdefine.org/lukewarm/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, lukewarm thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/lukewarm/thesaurus/synonyms>.
MLASmart Define. "lukewarm thesaurus" 14 March 2016. Web. 24 September 2026. <https://smartdefine.org/lukewarm/thesaurus/synonyms>