4
telltale(noun, gossip, informer, snitch, tattler)
4
traitor(noun, person, informal, villain, spy)
4
villain(noun, immoral, villain, mischief, bum)
3
betrayer(noun, source, spy, grass, decoy)
3
clandestine(adjective, underground, undisclosed, skulking)
3
cringe(verb, hide, recoil, tremble, shrink)
3
devil(noun, villain)
3
dog(verb, slip, avoid, quit, evade)
3
fawn(verb, hide, recoil, tremble, shrink)
3
goldbrick(verb, slip, avoid, quit, evade)
3
gyp(noun, villain)
3
hide(verb, move, cover, obscure, slip)
3
mole(noun, informer, informant, squealer, stoolie)
3
nark(noun, source, grass, decoy, informer)
3
rob(steal, pilfer, thieve)
3
scalawag(noun, villain)
3
shyster(noun, villain)
3
snatch(verb, steal, rob, filch, pilfer)
3
squealer(noun, source, spy, gossip, informer)
3
undercover(adjective, clandestine, underground, undisclosed, skulking)
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APASmart Define. (2015). sneak thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sneak/thesaurus/synonyms
ChicagoSmart Define. 2015. "sneak thesaurus" https://smartdefine.org/sneak/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, sneak thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sneak/thesaurus/synonyms>.
MLASmart Define. "sneak thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/sneak/thesaurus/synonyms>