72 entries under impassive topic. ×

26
inhibited(verb, adjective, calm, close, quiet)
24
constrained(verb, adjective, calm, quiet, reasonable)
17
quiet(adjective, calm, close, simple, soft)
15
subdued(verb, adjective, calm, close, quiet)
14
reserved(verb, adjective, calm, close, quiet)
13
reasonable(verb, adjective, calm, quiet, moderate)
10
composed(verb, adjective, calm, close, quiet)
9
cool(adjective, calm, close, quiet, reasonable)
8
calm(adjective, quiet, soft, reasonable, moderate)
6
disciplined(verb, adjective, calm, quiet, reasonable)
5
aloof(adjective, calm, close, quiet, gentle)
5
low-key(adjective, calm, quiet, soft, reasonable)
5
pacific(adjective, calm, quiet, soft, reasonable)
5
plain(adjective, calm, simple, sensible, pure)
4
abnegating(adjective, calm, quiet, reasonable, sensible)
4
cold(adjective, calm, close, quiet, gentle)
4
soft(adjective, calm, close, quiet, reasonable)
4
staid(adjective, calm, good, quiet, correct)
4
unruffled(adjective, calm, quiet, reasonable, sensible)
3
imperturbable(adjective, calm, sensible, alert, subdued)
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APASmart Define. (2015). restrained thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/restrained/thesaurus/synonyms
ChicagoSmart Define. 2015. "restrained thesaurus" https://smartdefine.org/restrained/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, restrained thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/restrained/thesaurus/synonyms>.
MLASmart Define. "restrained thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/restrained/thesaurus/synonyms>