fine-tune Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. to make small adjustments to improve something. Example Sentence The farmer had to fine-tune his tractor. More Example Sentences They will fine-tune the music for the show. Synonyms adjust; modify; refine Antonyms confuse; break Hear It! Say It! Write It! fine-tune Switch to cursive Start Share with your friends: