dishonor

Short definition from Wiktionary

Noun

1. 1
   Shame or disgrace.
2. 2
   Lack of honour or integrity.
3. 3
   Failure or refusal of the drawee or intended acceptor of a negotiable instrument, such as a bill of exchange or note, to accept it or, if it is accepted, to pay and retire it.

Verb

1. 1
   To bring disgrace upon someone or something; to shame.
2. 2
   To refuse to accept something, such as a cheque; to not honor.
3. 3
   To violate or rape.