Definitions

1. adjective

used to describe a quality of motion or movement that is smooth and flowing, especially of something that makes a soft whooshing sound

“The basketball player’s dunk was a thrilling swishier move that left the crowd in awe.”

2. adverb

used to describe how something moves or operates with a smooth, flowing motion

“The swishier wheels on the new bike made it easier to ride on rough terrain.”