50 entries under mild topic. ×

11
aloof(adjective, close, quiet, cool, gentle)
10
reticent(adjective, calm, quiet, cool, reasonable)
9
cool(adjective, calm, dull, quiet, reasonable)
8
withdrawn(adjective, calm, quiet, cool, reasonable)
7
offish(adjective, close, quiet, cool, gentle)
7
restrained(adjective, calm, close, quiet, gentle)
7
standoffish(adjective, close, quiet, cool, gentle)
6
retiring(adjective, calm, close, quiet, reasonable)
6
uncommunicative(adjective, close, quiet, cool, gentle)
5
inhibited(adjective, close, quiet, cool, gentle)
4
calm(adjective, quiet, cool, reasonable)
4
quiet(adjective, calm, reasonable, restrained)
3
shy(adjective, close, quiet, gentle)
3
solitary(adjective, close, quiet, cool, gentle)
2
chilled(calm, quiet, reasonable, controlled)
2
controlled(adjective, calm, quiet, reasonable, gentle)
2
discreet(calm, quiet, reasonable, controlled)
2
self-controlled(adjective, calm, quiet, gentle)
2
shrinking(adjective, calm, quiet, reasonable)
2
subdued(calm, quiet, reasonable, controlled)
<123>
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APASmart Define. (2015). undemonstrative thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/undemonstrative/thesaurus/synonyms
ChicagoSmart Define. 2015. "undemonstrative thesaurus" https://smartdefine.org/undemonstrative/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, undemonstrative thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/undemonstrative/thesaurus/synonyms>.
MLASmart Define. "undemonstrative thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/undemonstrative/thesaurus/synonyms>