Synonyms|285Antonyms|95|Broader|6Narrower|0Related|145

19 entries under fraudulent topic. ×

6
furtive(adjective, hidden, legal, forbidden)
3
sneaky(adjective, sly)
2
under-the-counter(hidden, sly, illegal, illegitimate)
1
underhand(adjective, hidden)
0
artful(hidden, sly)
0
cloak-and-dagger(hidden, sly)
0
cloak and dagger(expression, idiom, hidden)
0
closet(hidden, sly)
0
concealed
0
foxy(hidden, sly)
0
hidden
0
in holes and corners(expression, idiom, hidden, sly)
0
on the quiet(expression, idiom, hidden, sly)
0
private
0
sly
0
under cover(expression, sly)
0
under wraps(expression, hidden)
0
undercover
0
underground
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APASmart Define. (2015). illicit thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/illicit/thesaurus/synonyms
ChicagoSmart Define. 2015. "illicit thesaurus" https://smartdefine.org/illicit/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, illicit thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/illicit/thesaurus/synonyms>.
MLASmart Define. "illicit thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/illicit/thesaurus/synonyms>