43 entries under dishonest topic. ×

14
surreptitious(adjective, secret, hidden, spy)
13
clandestine(adjective, adverb, show, secret)
13
secret(adjective, quiet, show, hidden)
11
hush-hush(adjective, adverb, show, informal)
9
furtive(adjective, secret, reticent, hidden)
7
stealthy(adjective, quiet, secret, hidden)
6
concealed(adjective, obscure, secret, hidden)
6
under wraps(expression, adjective, idiom, show)
4
underhanded(cunning, deceitful, secret, hidden)
3
sneaking(adjective, cunning, deceitful, secret)
3
sneaky(adjective, quiet, cunning, secret)
3
secretive(adjective, cunning, deceitful, mysterious)
3
sly(adjective, quiet, cunning, deceitful)
2
on the QT(expression, adjective, idiom, adverb)
2
shifty(cunning, deceitful, sneaky, underhanded)
2
sub-rosa(adjective, cunning, deceitful, secret)
1
crafty(cunning, deceitful, sneaky, underhanded)
1
cunning(deceitful, sneaky, underhanded, covert)
1
fraudulent(cunning, deceitful, secret, private)
1
guileful(cunning, deceitful, sneaky, underhanded)
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APASmart Define. (2015). undercover thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/undercover/thesaurus/synonyms
ChicagoSmart Define. 2015. "undercover thesaurus" https://smartdefine.org/undercover/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, undercover thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/undercover/thesaurus/synonyms>.
MLASmart Define. "undercover thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/undercover/thesaurus/synonyms>