noun
US or Brit dishonour
[noncount] somewhat formal :loss or lack of honor :damage to your reputation and loss of respect from other people
verb
US or Brit dishonour -ors; -ored; -oring
[+ obj] somewhat formal
to cause (someone or something) to lose honor :to cause (someone or something) to no longer be respected
to fail to do what is required by (a promise, contract, etc.) :to fail to honor (something)
of a bank :to refuse to give out the money promised by (a check)