20 entries under expression topic. ×

4
in disguise(adjective, idiom, adverb, furtively)
3
on the sly(idiom, adverb, furtively)
3
under cover(adverb, secret, spy, covert)
1
by stealth(idiom, concealment, furtively)
1
in ambush(close, restricted, clandestine, underground)
1
in camera(idiom, concealment, furtively)
1
in secret(idiom, adverb)
1
little known(strange, new, remote, indefinite)
1
top secret(close, clandestine, underground, undisclosed)
1
under false pretense(idiom, close, clandestine, underground)
1
under wraps(secret, hidden, clandestine, underhanded)
1
without a name
0
behind a screen(idiom, concealment)
0
behind the curtain(idiom, concealment)
0
behind the scenes(idiom, concealment)
0
cloak and dagger(idiom, restricted, discreet)
0
in holes and corners(idiom, furtively)
0
on the QT(idiom, secret, hidden, spy)
0
on the quiet(idiom, furtively)
-1
unheard of(strange, indefinite, unidentified)
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APASmart Define. (2015). incognito thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/incognito/thesaurus/synonyms
ChicagoSmart Define. 2015. "incognito thesaurus" https://smartdefine.org/incognito/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, incognito thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/incognito/thesaurus/synonyms>.
MLASmart Define. "incognito thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/incognito/thesaurus/synonyms>