blackguard

/หˆblรฆษกษ™d/

IPA: /B L AE1 K G AA0 R D/

noun
  1. 1

    (old-fashioned, usually used only of men) A scoundrel; an unprincipled contemptible person; an untrustworthy person.

  2. 2

    A man who uses foul language in front of a woman, typically a woman of high standing in society.

verb
  1. 1

    To revile or abuse in scurrilous language.

  2. 2

    To act like a blackguard; to be a scoundrel.

Source: https://en.wiktionary.org/wiki/blackguard