218 entries under adjective topic. ×

1
undeserved(unreasonable, improper, excessive, unwarranted)
1
unfaithful(mean, bad, base, dishonest)
1
unjust(unreasonable, dishonest, improper, cunning)
1
unjustifiable(unreasonable, improper, excessive, unwarranted)
1
unwarrantable(unreasonable, improper, excessive, unwarranted)
1
villainous(mean, bad, evil, base)
1
wicked(mean, bad, evil, base)
1
wide open(expression, dishonest, immoral, rotten)
0
backbiting(false, deceitful, lying, untruthful)
0
below the belt(expression, idiom, corrupt, dishonest)
0
bluffing(false, deceitful, lying, untruthful)
0
caitiff(dishonest, shady)
0
capricious(unpredictable, fickle, variable, undependable)
0
changeable(unpredictable, fickle, variable, undependable)
0
coarse(corrupt, dishonest, crooked, unfair)
0
conniving
0
contemptible(low, corrupt, dishonest, crooked)
0
despicable(low, corrupt, dishonest, shameful)
0
erratic(unpredictable, fickle, variable, undependable)
0
erroneous(unpredictable, hollow, fickle, variable)
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APASmart Define. (2016). underhanded thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/underhanded/thesaurus/synonyms
ChicagoSmart Define. 2016. "underhanded thesaurus" https://smartdefine.org/underhanded/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, underhanded thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/underhanded/thesaurus/synonyms>.
MLASmart Define. "underhanded thesaurus" 22 January 2016. Web. 25 September 2026. <https://smartdefine.org/underhanded/thesaurus/synonyms>