sand bar Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. a long narrow bank of sand in a body of water. Example Sentence The boat got stuck on a sand bar. More Example Sentences Boaters often anchor near the sand bar. Synonyms sandbank; shoal; bank Antonyms deep water; channel Hear It! Say It! Write It! sand bar Switch to cursive Start Share with your friends: