sequences Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition plural noun. a series of events or actions that follow one after another. Example Sentence The children learned number sequences in math class. More Example Sentences Sequences help us understand how things happen. Synonyms series; order; chain Antonyms disorder Hear It! Say It! Write It! sequences Switch to cursive Start Share with your friends: