backwashes Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. to flow backward, especially in water. Example Sentence The dangerous river was full of tricky protruding rocks and backwashes. More Example Sentences The river backwashes during heavy rain. Synonyms recedes; ebbs; flows back Antonyms advances; flows forward; moves ahead Hear It! Say It! Write It! backwashes Switch to cursive Start Share with your friends: