129 entries under impassive topic. ×

1
dry(adjective, tough, rational, straightforward, sober)
1
earnest(adjective, calm, sensible, dark, restrained)
1
easy-going(adjective, calm, restrained, unconcerned, subdued)
1
eschewing(adjective, calm, sensible, dark, restrained)
1
factual(adjective, tough, reasonable, sensible, rational)
1
feasible(adjective, tough, reasonable, sensible, rational)
1
flat(adjective, tough, severe, rational, straightforward)
1
forgoing(adjective, calm, sensible, dark, restrained)
1
going with the flow(expression, adjective, idiom, detached)
1
grave(adjective, calm, sensible, dark, restrained)
1
impersonal(adjective, tough, rational, straightforward, sober)
1
imperturbable(adjective, calm, sensible, dark, cold)
1
inhibited(adjective, calm, sensible, dark, restrained)
1
laid-back(adjective, calm, restrained, detached, unconcerned)
1
levelheaded(adjective, calm, hard, sound, tough)
1
lifeless(adjective, tough, rational, straightforward, sober)
1
listless(adjective, detached, unresponsive, laid-back)
1
low-key(adjective, calm, sensible, dark, restrained)
1
lucid(adjective, calm, sensible, dark, restrained)
1
mundane(adjective, simple, tough, rational, straightforward)
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APASmart Define. (2016). hard-boiled thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/hard-boiled/thesaurus/synonyms
ChicagoSmart Define. 2016. "hard-boiled thesaurus" https://smartdefine.org/hard-boiled/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, hard-boiled thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/hard-boiled/thesaurus/synonyms>.
MLASmart Define. "hard-boiled thesaurus" 23 March 2016. Web. 29 September 2026. <https://smartdefine.org/hard-boiled/thesaurus/synonyms>