Not caring enough about something important. / High-spirited. / Supercilious. / (historical) Of or pertaining to the party of King Charles I of England (1600–1649).

(historical) A military man serving on horse, (chiefly) early modern cavalry officers who had abandoned the heavy armor of medieval knights.

(transitive, dated) Of a man: to act in a gallant and dashing manner toward (women).

plural of cavalier

The state or condition of being cavalier.

A small city, the county seat of Pembina County, North Dakota, United States.

simple past tense and past participle of cavalier

present participle of cavalier

One of 53 counties in North Dakota, United States. County seat: Langdon.

In a cavalier manner.