Definition of "blackguardism" [black•guard•ism]

• Blackguardly behaviour or language. (noun)

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• "He described in glowing terms the blackguardism of the would-be bigamist, sitting there in smug complacency by the side of his already one too many wife."
• "Page 110 unwilling to quarrel, he probably thought that it was a good opportunity to air the spirit of blackguardism, which is the strongest characteristic of some people, and persisted in following me up."
• "They'd have cleared this kind of blackguardism up with a knife."