144 entries under reasonable topic. ×

1
trivial(adjective, weak, gentle, sensible)
1
unaffable(calm, quiet, mild, controlled)
1
undemonstrative(calm, quiet, mild, controlled)
1
under control(expression, calm, quiet, mild)
1
under wraps(expression, calm, quiet, mild)
1
unexcessive(calm, quiet, mild, restrained)
1
unexcited(adjective, calm, quiet, easy)
1
unexpansive(calm, quiet, mild, controlled)
1
unextreme(calm, quiet, mild, restrained)
1
unimpassioned(adjective, calm, quiet, moderate)
1
unobtrusive(adjective, calm, close, quiet)
1
uptight(calm, quiet, mild, controlled)
1
withdrawn(calm, quiet, mild, controlled)
0
abstemious(restrained, self-controlled)
0
abstentious(restrained, self-controlled)
0
average(adjective, sensible, restrained, modest)
0
balanced(adjective, calm, gentle, sensible)
0
cautious(adjective, calm, gentle, sensible)
0
continent(restrained, self-controlled)
0
curbed(quiet, restrained, silent, self-controlled)
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APASmart Define. (2016). soft thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/soft/thesaurus/synonyms
ChicagoSmart Define. 2016. "soft thesaurus" https://smartdefine.org/soft/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, soft thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/soft/thesaurus/synonyms>.
MLASmart Define. "soft thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/soft/thesaurus/synonyms>