[f. CAVALIER sb. + -ISM.] The practice or principles of cavaliers, esp. of the adherents of Charles I.; an expression characteristic of the Cavalier party.
1642. Bridge, Serm. Norfolk Volunteers, 6. There is a vaunting, bragging, boasting Cavalierisme, which hath no true courage; such a Cavalier was Rabshakeh.
1643. Herle, Answ. Ferne, 4. Both Houses of Parliament are cald Rebels and Traytors (the ordinary cavaleerismes of the times).
1818. Scott, Hrt. Midl., viii. When wine and cavalierism predominated in his upper story.
17911824. DIsraeli, Cur. Lit. (1866), 287/2. Various kinds of ranting cavalierism.