55 entries under restrained topic. ×

2
unforthcoming(adjective, quiet, detached, thoughtful)
2
unsociable(adjective, quiet, cool, indifferent)
1
formal(adjective, close, quiet, gentle, mild)
1
nongregarious(adjective, quiet, shy, thoughtful)
1
offhand(adjective, cool, indifferent, reserved)
1
procacious(adjective, cool, indifferent, remote)
1
reclusive(adjective, close, quiet, gentle, mild)
1
timorous(adjective, quiet, shy, detached)
1
uncompanionable(adjective, close, quiet, gentle, mild)
1
unwelcoming(adjective, cool, indifferent, remote)
0
recluse(adjective, quiet, detached, thoughtful)
0
retired(adjective, quiet, thoughtful, solitary)
0
retreated(adjective, quiet, detached, thoughtful)
0
stoical(adjective, unemotional, phlegmatic)
0
uncurious(adjective, quiet, detached, thoughtful)
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APASmart Define. (2015). undemonstrative thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/undemonstrative/thesaurus/synonyms
ChicagoSmart Define. 2015. "undemonstrative thesaurus" https://smartdefine.org/undemonstrative/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, undemonstrative thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/undemonstrative/thesaurus/synonyms>.
MLASmart Define. "undemonstrative thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/undemonstrative/thesaurus/synonyms>