476 entries under adjective topic. ×

4
easygoing(calm, dull, cool, relaxed)
4
icy(cool, temper, cold, negative)
4
level-headed(calm, casual, composed, unruffled)
4
lifeless(calm, dull, tough, slow)
4
mild(quiet, cool, restrained, still)
4
moderate(calm, quiet, cool, gentle)
4
objective(calm, tough, indifferent, rational)
4
remote(cool, indifferent, restrained, detached)
4
reposeful(quiet, cool, still, peaceful)
4
restrained(calm, subdued, unemotional, unresponsive)
4
tepid(calm, temper, cold, negative)
4
unhurried
4
unimpassioned(calm, cool, tough, restrained)
4
unimpressible(calm, cool, relaxed, detached)
4
uninvolved(calm, indifferent, detached, aloof)
4
unperturbed(calm, cool, relaxed, indifferent)
4
untouched(calm, cold, indifferent, restrained)
3
Laodicean(cold, dead, apathy, passive)
3
adamant(cold, indifferent, steady, fixed)
3
blase(calm, cool, relaxed, cold)
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APASmart Define. (2015). impassive thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/impassive/thesaurus/synonyms
ChicagoSmart Define. 2015. "impassive thesaurus" https://smartdefine.org/impassive/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, impassive thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/impassive/thesaurus/synonyms>.
MLASmart Define. "impassive thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/impassive/thesaurus/synonyms>