15 entries under expression topic. ×

2
buttoned up(careful, shy, reticent, ambiguous)
2
clammed up(careful, shy, reticent, ambiguous)
1
closed up(still, hushed, soundless)
1
dummied up(still, hushed, soundless)
1
in chambers(mysterious, private, reticent, taciturn)
1
in privacy(mysterious, private, reticent, taciturn)
1
in private(mysterious, private, reticent, taciturn)
1
in the background(idiom, mysterious, reticent, taciturn)
1
in the dark(idiom, mysterious, reticent, taciturn)
1
not forthcoming(quiet, shy, silent, tight-lipped)
1
not talkative(quiet, still, shy, reticent)
1
on the QT(idiom, mysterious, reticent, taciturn)
1
quiet speechless(still, hushed, soundless)
1
struck dumb(still, hushed, soundless)
0
under cover(taciturn, uncommunicative)
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APASmart Define. (2013). zipped thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/zipped/thesaurus/synonyms
ChicagoSmart Define. 2013. "zipped thesaurus" https://smartdefine.org/zipped/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2013, zipped thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/zipped/thesaurus/synonyms>.
MLASmart Define. "zipped thesaurus" 27 June 2013. Web. 22 September 2026. <https://smartdefine.org/zipped/thesaurus/synonyms>