13 entries under idiom topic. ×

3
in private(expression, adverb, secretly)
3
in secret(expression, adverb, quietly, secretly)
3
off the record(expression, adverb, softly, gently)
2
in confidence(expression, adverb, concealment, quietly)
1
between ourselves(expression, adverb, concealment, secretly)
1
between you and me(expression, adverb, confidence, secretly)
0
entre nous(expression, concealment)
0
in on the ground floor(expression, adverb, secretly)
0
in strict confidence(expression, concealment)
0
in strictest confidence(expression, concealment)
0
inter nos(expression, concealment)
0
just between you and me
0
off the cuff(expression, adverb, secretly)
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APASmart Define. (2015). confidentially thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/confidentially/thesaurus/synonyms
ChicagoSmart Define. 2015. "confidentially thesaurus" https://smartdefine.org/confidentially/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, confidentially thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/confidentially/thesaurus/synonyms>.
MLASmart Define. "confidentially thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/confidentially/thesaurus/synonyms>