Cavalier

1. Supercilious; haughty; disdainful; curt; brusque.
2. Gay; easy; offhand; frank.
3. A gay, sprightly, military man; hence, a gallant.
4. High-spirited.
5. One of the court party in the time of king Charles I. as contrasted with a Roundhead or an adherent of Parliament.
6. A work of more than ordinary height, rising from the level ground of a bastion, etc., and overlooking surrounding parts.
7. A military man serving on horseback; a knight.