diminishing Get Printable Handwriting Rhymes Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. to make smaller in amount or volume or extent Example Sentence Our supplies are diminishing rapidly. Synonyms lessen; decrease; reduce Antonyms increase Hear It! Say It! Write It! diminishing Switch to cursive Start Rhymes Three Syllable Rhymes (1) finishing Four Syllable Rhymes (2) diminishing refinishing Five Syllable Rhymes (1) photofinishing Share with your friends: