unethical
I
adjective
corrupt, corruptible, dishonest, dishonorable, disreputable, ignoble, immoral, inglorious, questionable, shady, uncommendable, unconscionable, underhanded, unfair, unprincipled, unprofessional, unscrupulous, unworthy, wrong
II
index
dishonest, disingenuous, disreputable, fraudulent, immoral, machiavellian, profligate (corrupt), unconscionable, unprofessional, unscrupulous
Burton's Legal Thesaurus.
William C. Burton.
2006