dishonorably

/dɪsˈɑnərəbli/
adverb
  1. In a way that shows a lack of honesty, fairness, or moral principles; shamefully.
    • The politician acted dishonorably by lying to the public.
    • She felt she had behaved dishonorably when she broke her promise.
    • He was discharged from the military dishonorably after breaking the rules.
Antonyms