or British dishonourable /dɪsˈɑːnərəbəl/
Learner's definition of DISHONORABLE
[more dishonorable; most dishonorable]
: not deserving honor or respect : not morally or socially acceptable
His dishonorable behavior has shamed the family.
dishonorable [=shameful] conduct
Her military career ended with a dishonorable discharge. [=she was forced to leave the military because of unacceptable behavior]
— dishonorably(US)or Britishdishonourably/dɪsˈɑːnərəbli/adverb