33 entries under expression topic. ×

2
off the record(adjective, idiom, adverb, secret)
1
behind closed doors(idiom, adverb, secretly, confidentially)
1
buttoned up(mysterious, private, reticent, taciturn)
1
clammed up(mysterious, private, reticent, taciturn)
1
in chambers(mysterious, private, reticent, taciturn)
1
in privacy(mysterious, private, reticent, taciturn)
1
in secret(adverb, unknowing, hermetical, secretly)
1
in the background(idiom, mysterious, reticent, taciturn)
1
in the dark(idiom, mysterious, reticent, taciturn)
1
on the QT(idiom, private, reticent, taciturn)
1
sub rosa(adverb, secretly, confidentially)
0
behind the curtain(idiom, unknowing, hermetical, unbriefed)
0
behind the scenes(idiom, unknowing, hermetical, unbriefed)
0
between ourselves(adverb, secretly, confidentially)
0
between us(adverb, secretly, confidentially)
0
between you and me(idiom, adverb, secretly, confidentially)
0
blind to(unknowing, hermetical, unbriefed)
0
caught napping(unknowing, hermetical, unbriefed)
0
in a corner(idiom, unknowing, hermetical, unbriefed)
0
in confidence(secretly, confidentially)
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APASmart Define. (2015). in private thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/in_private/thesaurus/synonyms
ChicagoSmart Define. 2015. "in private thesaurus" https://smartdefine.org/in_private/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, in private thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/in_private/thesaurus/synonyms>.
MLASmart Define. "in private thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/in_private/thesaurus/synonyms>