(idiom) describes a man who is elegant, casual, and unconstrained by social conventions; suave; debonair; dashing

elegant, free, and easy; unrestricted by convention or tradition; also used to describe someone who is exceptionally talented or unconventional

unrestrained, free-spirited, and handsome; exceptional and outstanding

untrammeled, free, and unconventional; describes a person who is bold, unrestrained, and unconstrained by social convention or trivial matters