37 entries under secret topic. ×

1
surreptitious(hidden, spy, clandestine, underground)
1
under-the-table(hidden, clandestine, underground, undisclosed)
1
under wraps(expression, hidden, clandestine, underhanded)
1
underhand(hidden, spy, clandestine, underground)
1
underhanded(hidden, clandestine, underground, undisclosed)
1
unseen(hidden, clandestine, underground, undisclosed)
1
veiled(hidden, clandestine, underground, underhanded)
0
covered(hidden, clandestine, underground, undisclosed)
0
creep(hidden, spy, covert)
0
hole-and-corner(hidden, spy, covert)
0
huggermugger
0
intelligence(hidden, spy, covert)
0
on the QT(expression, idiom, hidden, spy)
-1
spy(hidden, covert)
-1
stealth(hidden, spy, covert)
-1
underground(hidden, spy, clandestine, undisclosed)
-1
underneath(hidden, spy, covert)
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APASmart Define. (2015). incognito thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/incognito/thesaurus/synonyms
ChicagoSmart Define. 2015. "incognito thesaurus" https://smartdefine.org/incognito/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, incognito thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/incognito/thesaurus/synonyms>.
MLASmart Define. "incognito thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/incognito/thesaurus/synonyms>