34 entries under idiom topic. ×

1
on the QT(expression, adverb, clandestine, slyly)
1
under the breath
1
with bated breath
0
between the lines(expression, latency implication)
0
between you and me(expression, confidentially)
0
in on the ground floor(expression, confidentially)
0
in one's sleeve(expression, concealment)
0
in secrecy
0
not openly
0
off the cuff(expression, confidentially)
0
on the sneak
0
sub silentio(expression, latency implication)
0
under another name
0
without explicit approval
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APASmart Define. (2016). secretly thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/secretly/thesaurus/synonyms
ChicagoSmart Define. 2016. "secretly thesaurus" https://smartdefine.org/secretly/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, secretly thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/secretly/thesaurus/synonyms>.
MLASmart Define. "secretly thesaurus" 19 February 2016. Web. 26 September 2026. <https://smartdefine.org/secretly/thesaurus/synonyms>