38 entries under hidden topic. ×

26
underhand(adjective, mean, smooth, smart, dishonest)
26
secret(adjective, dishonest, deceitful, secret)
13
undercover(adjective, dishonest, secret, reticent)
9
skulking(adjective, secret, private, concealment)
7
underhanded(adjective, dishonest, cunning, deceitful, unpredictable)
6
hush-hush(adjective, dishonest, secret, sneaky)
6
private(adjective, obscure, secret, unknown)
5
concealed(adjective, strange, dishonest, cunning, secret)
5
illicit(adjective, legal, fraudulent, forbidden)
5
under-the-table(adjective, secret, private, clandestine)
5
underground(adjective, obscure, secret, unknown)
4
hole-and-corner(secret, private, spy, sneaky)
4
slinking(adjective, secret, private, sneaky)
3
confidential(adjective, secret, spy, clandestine)
3
disguised(adjective, secret, clandestine, sneaky)
3
under wraps(expression, adjective, dishonest, secret)
3
underneath(secret, spy, covert)
2
fraudulent(dishonest, cunning, deceitful, dubious, secret)
2
incognito(close, secret, spy, clandestine)
2
on the sly(expression, idiom, secret, private)
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APASmart Define. (2015). furtive thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/furtive/thesaurus/synonyms
ChicagoSmart Define. 2015. "furtive thesaurus" https://smartdefine.org/furtive/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, furtive thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/furtive/thesaurus/synonyms>.
MLASmart Define. "furtive thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/furtive/thesaurus/synonyms>