synthesise Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. to combine parts to create something new. Example Sentence His operas synthesise music and drama in perfect harmony. More Example Sentences Students must synthesise their research findings. Synonyms combine; integrate; merge Antonyms break down; dissect; take apart Hear It! Say It! Write It! synthesise Switch to cursive Start Share with your friends: