24 entries under underhand topic. ×

3
furtive(adjective, dishonest, secret, clandestine, sneaky)
2
hush-hush(adjective, dishonest, secret, clandestine, sneaky)
2
secret(adjective, sensitive, dishonest, cunning, deceitful)
2
surreptitious(adjective, dishonest, secret, clandestine, sneaky)
1
clandestine(adjective, dishonest, deceitful, secret, sneaky)
1
crooked(adjective, dishonest, cunning, deceitful, sneaky)
1
deceptive(adjective, dishonest, cunning, deceitful, crooked)
1
devious(adjective, dishonest, cunning, deceitful, crooked)
1
dishonorable(adjective, dishonest, cunning, deceitful, crooked)
1
indirect(adjective, dishonest, cunning, deceitful, crooked)
1
lubricious(adjective, dishonest, cunning, fickle, untrustworthy)
1
oblique(adjective, dishonest, cunning, deceitful, crooked)
1
secretive(adjective, dishonest, deceitful, clandestine, sneaky)
1
shady(adjective, dishonest, cunning, deceitful, crooked)
1
slippery(adjective, dishonest, cunning, deceitful, crooked)
1
sly(adjective, dishonest, secret, clandestine, sneaky)
1
sneaky(adjective, dishonest, cunning, secret, clandestine)
1
stealthy(adjective, quiet, dishonest, secret, clandestine)
1
two-faced(adjective, dishonest, cunning, deceitful, crooked)
1
underhanded(adjective, dishonest, cunning, deceitful, clandestine)
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APASmart Define. (2013). sub-rosa thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sub-rosa/thesaurus/synonyms
ChicagoSmart Define. 2013. "sub-rosa thesaurus" https://smartdefine.org/sub-rosa/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2013, sub-rosa thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sub-rosa/thesaurus/synonyms>.
MLASmart Define. "sub-rosa thesaurus" 28 June 2013. Web. 25 September 2026. <https://smartdefine.org/sub-rosa/thesaurus/synonyms>