Synonyms for Swish:

adj.

fashionable, elegant (adjective)
posh, stylish, classy.

n.

screech, bang, groan, rattle, crash around, clatter, rumble, crunch, thunder, splash. basketball (noun)
foul line, backboard, center, dunk, goaltending, basket, field goal, basketball, full-court press, foul out.
swish (noun)
fashionable, classy, swosh, posh, lap, stylish.
wheeze (noun)
whisper, whiz, sound.

v.

perception (verb)
lap, swosh.

Other synonyms:

whiz. Other relevant words:
clatter, bang, whiz, splash, rattle, whisper.

Usage examples for swish

  1. The ante- room was dimly lighted, and comparatively quiet, though the music and laughter and swish of dancing feet were fully audible there. – The Keeper of the Door by Ethel M. Dell
  2. A swish a flutter, a bang, and she was gone. – Secret Bread by F. Tennyson Jesse
  3. Barbara could hear its swish swish near enough now, and she felt Jean's hand tremble in her own. – Barbara in Brittany by E. A. Gillie