declarative sentence Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. a sentence that makes a statement or expresses an idea. Example Sentence A declarative sentence differs from a question or an exclamation. More Example Sentences He wrote a declarative sentence in class. Synonyms statement; assertion Antonyms question; command Hear It! Say It! Write It! declarative sentence Switch to cursive Start Share with your friends: