- (blackguard) cad: someone who is morally reprehensible; "you dirty dog"
- (blackguard) ridicule: subject to laughter or ridicule; "The satirists ridiculed the plans for a new opera house"; "The students poked fun at the inexperienced teacher"; "His former students roasted the professor at his 60th birthday"
- (blackguard) abuse: use foul or abusive language towards; "The actress abused the policeman who gave her a parking ticket"; "The angry mother shouted at the teacher"
- (Blackguard (band)) Blackguard is folk/melodic death metal from Montréal, Québec previously known as Profugus Mortis.
- (Blackguard (Dungeons & Dragons)) This is a list of prestige classes in the 3rd edition of the Dungeons and Dragons role-playing game. This list includes content for both the original 3rd edition and the 3.5 revision.
- (blackguard) A scoundrel; an unprincipled contemptible person; an untrustworthy person
- (Black-guard) A shabby, mean fellow
- (blackguard) a man who behaves in a dishonorable or contemptible way.