A ruffian is a scoundrel, rascal or unprincipled, deceitful, and unreliable person. Unprincipled and immoral, she only wants to take advantage of Romero. But Levidulchia is sensuous and unprincipled where Castabella remains virtuous. Etherege himself was living a life no less frivolous and unprincipled. In archaic English, "varlet" also could mean an unprincipled man; a rogue. This could be expressed in aggressive and unprincipled forms of verbal abuse towards one person. Bitter and unprincipled, Thorn is not above breaking the law to ruin Bilko. In the aftermath of the crash, many commentators characterized Kosuga's actions as unprincipled gambling. Merteuil calls on the similarly unprincipled Vicomte de Valmont to do the deed. Grant said that Treasury Department regulations were violated&colon; "mostly by Jews and other unprincipled traders". The pretty but unprincipled portress at Madame Beck's boarding school. This ruins all her respect for him and she sees how unprincipled he really is.