43 entries under taciturn topic. ×

1
furtive(mysterious, private, reticent, uncommunicative)
1
in chambers(expression, mysterious, private, reticent)
1
in privacy(expression, mysterious, private, reticent)
1
in private(expression, mysterious, private, reticent)
1
in the background(expression, idiom, mysterious, reticent)
1
in the dark(expression, idiom, mysterious, reticent)
1
on the QT(expression, idiom, reserved, reticent)
1
secretive(adjective, close, quiet, soft, low)
1
undercover(mysterious, private, reticent, uncommunicative)
1
unforthcoming(quiet, restrained, aloof, reserved, reticent)
1
unsociable(quiet, still, shy, reserved, reticent)
1
withdrawn(aloof, reserved, mysterious, private, reticent)
0
incommunicable
0
incommunicative
0
offish(reserved, reticent)
0
retiring(reserved, reticent)
0
short(reserved, reticent)
0
standoffish(reserved, reticent)
0
tightlipped
0
unapproachable(reserved, reticent)
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APASmart Define. (2013). clammed up thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/clammed_up/thesaurus/synonyms
ChicagoSmart Define. 2013. "clammed up thesaurus" https://smartdefine.org/clammed_up/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2013, clammed up thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/clammed_up/thesaurus/synonyms>.
MLASmart Define. "clammed up thesaurus" 18 May 2013. Web. 26 September 2026. <https://smartdefine.org/clammed_up/thesaurus/synonyms>