49 entries under unpredictable topic. ×

26
underhand(adjective, mean, smooth, smart, dishonest)
14
shifty(adjective, mean, smooth, smart, dishonest)
9
deceitful(adjective, mean, smooth, smart, dishonest)
8
tricky(adjective, mean, smooth, smart, informal)
7
underhanded(adjective, dishonest, cunning, deceitful)
6
treacherous(adjective, mean, smooth, smart, dishonest)
3
false(adjective, dishonest, cunning, fickle)
3
untrustworthy(adjective, false, dishonest, cunning, deceitful)
2
deceptive(adjective, mean, smooth, smart, false)
1
delusive(adjective, mean, smooth, smart, false)
1
fly-by-night(adjective, dishonest, deceitful, dubious)
1
unreliable(adjective, true, fickle, variable)
1
weak(adjective, fickle, variable, undependable)
0
capricious(adjective, fickle, variable, undependable)
0
changeable(adjective, fickle, variable, undependable)
0
disreputable(adjective, fickle, variable, undependable)
0
dubious(adjective, dishonest, deceitful, fickle)
0
erratic(adjective, fickle, variable, undependable)
0
erroneous(adjective, fickle, variable, undependable)
0
fake(adjective, fickle, variable, undependable)
<123>
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APASmart Define. (2015). furtive thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/furtive/thesaurus/synonyms
ChicagoSmart Define. 2015. "furtive thesaurus" https://smartdefine.org/furtive/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, furtive thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/furtive/thesaurus/synonyms>.
MLASmart Define. "furtive thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/furtive/thesaurus/synonyms>