57 entries under taciturn topic. ×

2
succinct
1
aloof(reserved, reticent, uncommunicative)
1
backstairs(mysterious, private, reticent, uncommunicative)
1
buttoning up(expression, adjective, quiet, reserved, secret)
1
clamming up(expression, adjective, quiet, reserved, secret)
1
distant(aloof, reserved, reticent, uncommunicative)
1
enigmatic(mysterious, private, reticent, uncommunicative)
1
feline(mysterious, private, reticent, uncommunicative)
1
hidden(adjective, quiet, reserved, secret, private)
1
hush-hush(adjective, quiet, reserved, secret, private)
1
hushed(adjective, close, quiet, soft, low)
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, mysterious, private, reticent)
1
incommunicative
1
on the QT(expression, idiom, reserved, reticent)
1
secluded(adjective, quiet, reserved, secret, private)
1
tight chops(expression, adjective, quiet, reserved, secret)
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APASmart Define. (2015). tight-lipped thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/tight-lipped/thesaurus/synonyms
ChicagoSmart Define. 2015. "tight-lipped thesaurus" https://smartdefine.org/tight-lipped/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, tight-lipped thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/tight-lipped/thesaurus/synonyms>.
MLASmart Define. "tight-lipped thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/tight-lipped/thesaurus/synonyms>