swooshing Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. move with or cause to move with a whistling or hissing sound Example Sentence The horse's tail was swooshing back and forth. Synonyms swish; swosh; swirl Antonyms to be silent Hear It! Say It! Write It! swooshing Switch to cursive Start Share with your friends: