99 entries under restrained topic. ×

1
hard-boiled(adjective, calm, sensible, dark)
1
inhibited(adjective, calm, quiet, sensible, dark)
1
levelheaded(adjective, calm, quiet, reasonable, sensible)
1
low(quiet, gentle, gloomy, melancholy, miserable)
1
low-key(adjective, calm, quiet, reasonable, gentle)
1
lucid(adjective, calm, quiet, reasonable, sensible)
1
muted(dull, quiet, gentle, heavy)
1
pacific(adjective, calm, quiet, reasonable, sensible)
1
peaceful dull(expression, calm, quiet, reasonable, dark)
1
plain(adjective, calm, sensible, dark)
1
reasonable(adjective, calm, quiet, sensible, dark)
1
soft(adjective, calm, quiet, reasonable, gentle)
1
sound(adjective, calm, quiet, correct, reasonable)
1
toned down(expression, adjective, calm, quiet, reasonable)
1
unexcited(adjective, calm, quiet, reasonable, sensible)
1
unimpassioned(adjective, calm, quiet, reasonable, sensible)
1
unimpressed(adjective, calm, subdued, impassive)
1
uninfluenced(adjective, calm, subdued, impassive)
1
unmoved(adjective, calm, subdued, impassive)
1
unobtrusive(quiet, gentle)
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APASmart Define. (2016). solemn thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/solemn/thesaurus/synonyms
ChicagoSmart Define. 2016. "solemn thesaurus" https://smartdefine.org/solemn/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, solemn thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/solemn/thesaurus/synonyms>.
MLASmart Define. "solemn thesaurus" 19 February 2016. Web. 28 September 2026. <https://smartdefine.org/solemn/thesaurus/synonyms>