| two-timing(wrong, corrupt, dishonest, immoral, cunning) |
| unconscionable(corrupt, dishonest, immoral, unprofessional) |
| underhand(adjective, wrong, corrupt, dishonest, immoral) |
| unethical(adjective, wrong, corrupt, dishonest, immoral) |
| unfair(wrong, dishonest, immoral, cunning, deceitful) |
| unjust(dishonest, cunning, deceitful, crooked, sneaky) |
| unprincipled(adjective, wrong, corrupt, dishonest, immoral) |
| unprofessional(wrong, corrupt, dishonest, immoral, unprincipled) |
| unscrupulous(wrong, corrupt, dishonest, immoral, cunning) |
| venal(corrupt, dishonest, immoral) |
| wanton(corrupt, dishonest, immoral, fickle, unprincipled) |
| wily(dishonest, cunning, deceitful, sneaky, underhanded) |
| adulterine(fickle, untrustworthy, unprincipled) |
| adulterous(fickle, untrustworthy, unprincipled) |
| bad(wrong, immoral, unprincipled) |
| bigamous(fickle, untrustworthy, unprincipled) |
| changeful(fickle, untrustworthy, unprincipled) |
| committing perjury(expression, fickle, untrustworthy, unprincipled) |
| concealed(dishonest, cunning, deceitful, sneaky, underhanded) |
| cunning(dishonest, deceitful, sneaky, underhanded, underhand) |