move with a hissing or rushing sound

a car swished by

sink (a shot) without the ball touching the backboard or rim

a hissing or rustling sound

he could hear the swish of a distant car

a shot that goes through the basket without touching the backboard or rim

a gay man with an ostentatiously affected, flamboyant, or feminine manner

impressively smart and fashionable

dinner at a swish hotel

(of a gay man) having an ostentatiously affected, flamboyant, or feminine manner