59 entries under sly topic. ×

1
fraudulent(false, dishonest, deceitful, dubious, suspicious)
1
illegitimate(hidden, fraudulent)
1
in holes and corners(expression, idiom, hidden, fraudulent)
1
on the quiet(expression, idiom, hidden, fraudulent)
1
secret(mean, smooth, cunning, knowing)
1
secretive(adjective, mean, smooth, sneaky)
1
surreptitious(adjective, mean, dishonest, deceitful)
1
under-the-counter(hidden, fraudulent)
1
undercover(fraudulent, sneaky, covert, secretive)
0
bluffing(mean, smooth, cunning, knowing)
0
captious(mean, smooth, cunning, knowing)
0
dishonorable(mean, smooth, cunning, knowing)
0
greasy(cunning, deceitful, crafty, devious)
0
illicit(hidden, fraudulent)
0
impish(mean, smooth, cunning, knowing)
0
mean(smooth, cunning, knowing, crafty)
0
under cover(expression, fraudulent)
0
witted(deceitful, devious)
0
wry(deceitful, devious)
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APASmart Define. (2016). foxy thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/foxy/thesaurus/synonyms
ChicagoSmart Define. 2016. "foxy thesaurus" https://smartdefine.org/foxy/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, foxy thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/foxy/thesaurus/synonyms>.
MLASmart Define. "foxy thesaurus" 1 April 2016. Web. 26 September 2026. <https://smartdefine.org/foxy/thesaurus/synonyms>