Merriam-Webster Collegiate Dictionary - dishonor

 I. noun  Etymology: Middle English dishonour, from Anglo-French deshonur, from des- dis- + honur honor  Date: 13th century  1. lack or loss of honor or reputation  2. the state of one who has lost honor or prestige ; shame has brought ~ on his family  3. a cause of disgrace  4. the nonpayment or nonacceptance of commercial paper by the party on whom it is drawn  Synonyms: see disgrace  • ~er noun  II. transitive verb  Date: 13th century  1.  a. to treat in a degrading manner  b. to bring shame on  2. to refuse to accept or pay (as a bill or check) DISHONORABLE  adjective  Date: 1534  1. lacking honor ; shameful ~ conduct  2. archaic not honored  • ~ness noun  • dishonorably adverb