dirties Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. makes something unclean or soiled. Example Sentence He dirties my pants by rubbing them in dirt. More Example Sentences The dog dirties the floor with mud. Synonyms spoils; sullies; stains Antonyms cleans; purifies; tidies Hear It! Say It! Write It! dirties Switch to cursive Start Share with your friends: