adj high-spirited.
2. cavalier ·adj gay; easy; offhand; frank.
3. cavalier ·noun a military man serving on horseback; a knight.
4. cavalier ·adj of or pertaining to the party of king charles i.
5. cavalier ·noun a gay, sprightly, military man; hence, a gallant.
6. cavalier ·adj supercilious; haughty; disdainful; curt; brusque.
7. cavalier ·noun one of the court party in the time of king charles i. as contrasted with a roundhead or an adherent of parliament.
8. cavalier ·noun a work of more than ordinary height, rising from the level ground of a bastion, ·etc., and overlooking surrounding parts.