What is the meaning of Cavalier?

Lacking the proper care or concern for something important, reckless, rash, high-handed.

High-spirited.

Supercilious.

Free and easy; unconcerned with formalities

Of or pertaining to the party of King Charles I of England (1600–1649).

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

A gallant: a sprightly young dashing military man.

A gentleman of the class of such officers.

Alternative letter-case form of Cavalier, a royalist partisan of Charles I of England during the English Civil War, especially from the upper classes.

Someone with an uncircumcised penis.

A defensive work rising from a bastion, etc., and overlooking the surrounding area.

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

Cavalier King Charles Spaniel, Cavalier (breed of spaniel)

horseman

1. knight
2. cavalier
3. horserider

knight

cavalier

horserider

knight

knight (in tarot)

U-nail, fence staple, construction staple

cable clip

(male) partner

(male) date, (male) companion for social activities

equestrian

cavalier, nonchalant (lacking the proper care or concern for something important, reckless, rash, high-handed)

Source: wiktionary.org