1
screened(adjective, concealed)
1
secretly
1
serpentine
1
shady(adjective, dishonest, cunning, deceitful, sneaky)
1
shy of(verb, expression, phrasal verb, caution)
1
snaky
1
sophistical
1
stealing
1
stealthily
1
sub-rosa(adjective, quiet, dishonest, secret, clandestine)
1
subterranean
1
subtile
1
supple
1
top secret(expression, clandestine, underground, undisclosed)
1
treacherous(adjective, mean, smooth, dishonest, cunning)
1
trickish
1
two-faced(dishonest, cunning, deceitful, sneaky, underhanded)
1
ulterior
1
unacknowledged(clandestine, underground, undisclosed)
1
under-the-counter
11 years ago|7.2k views|share |citing 
APASmart Define. (2015). stealthy thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/stealthy/thesaurus/synonyms
ChicagoSmart Define. 2015. "stealthy thesaurus" https://smartdefine.org/stealthy/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, stealthy thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/stealthy/thesaurus/synonyms>.
MLASmart Define. "stealthy thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/stealthy/thesaurus/synonyms>