Dishonorable

1. (a.) Wanting in honor; not honorable; bringing or deserving dishonor; staining the character, and lessening the reputation; shameful; disgraceful; base.

2. (a.) Wanting in honor or esteem; disesteemed.

Thesaurus Entries

amoral, bad, base, conscienceless, contemptible, corrupt, corrupted, criminal, crooked, dark, debased, degrading, derogatory, despicable, devious, dirty, discreditable, disgraceful, dishonest, disloyal, disreputable, doubtful, dubious, duplicitous, evasive, evil, faithless, felonious, filthy, fishy, flagrant, foul, fraudulent, heinous, hypocritical, ignoble, ignominious, ill-got, ill-gotten, immoral, improper, indirect, infamous, inglorious, insidious, low, mean, not kosher, notorious, objectionable, outrageous, perfidious, questionable, reprehensible, rotten, seamy, shabby, shady, shameful, shameless, shaming, shifty, shoddy, sinister, slippery, sordid, suspicious, traitorous, treacherous, tricky, two-faced, unbecoming, unconscienced, unconscientious, unconscionable, underhand, underhanded, unethical, unfaithful, unpraiseworthy, unprincipled, unrespectable, unsavory, unscrupulous, unseemly, unstraightforward, untrustworthy, unworthy, vile, without remorse, without shame