150 entries under adjective topic. ×

8
sneaking(move, mean, smooth, honest)
8
tricky(mean, smooth, smart, informal)
7
backstairs(close, mysterious, reticent, taciturn)
7
devious(dishonest, cunning, deceitful, dubious)
7
evasive(concealment, sneaky, secretive)
7
mysterious(obscure, strange, secret, private)
7
scheming(mean, smooth, cunning, dubious)
7
underhanded(dishonest, cunning, deceitful, unpredictable)
6
artful(mean, smooth, false, sly)
6
conspiratorial(obscure, unknown, underground, sneaky)
6
dishonest(secret, sneaky, stealthy)
6
elusive(mean, smooth, cunning, dubious)
6
hush-hush(dishonest, secret, hidden, sneaky)
6
private(obscure, secret, unknown, hidden)
6
treacherous(mean, smooth, smart, dishonest)
5
feline(feature, move, characteristic, animal)
5
hugger-mugger
5
concealed(strange, dishonest, cunning, secret)
5
guileful(mean, smooth, false, dishonest)
5
illicit(hidden, legal, fraudulent, forbidden)
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APASmart Define. (2015). furtive thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/furtive/thesaurus/synonyms
ChicagoSmart Define. 2015. "furtive thesaurus" https://smartdefine.org/furtive/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, furtive thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/furtive/thesaurus/synonyms>.
MLASmart Define. "furtive thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/furtive/thesaurus/synonyms>