mega Get Printable Handwriting Rhymes Hear It! Say It! Write It! Learn It! Spelling Test Definition adjective. very large in size or amount. Example Sentence The mega fish ate the whole boat. More Example Sentences They built a mega treehouse in their yard. Synonyms huge; giant; enormous Antonyms small; tiny; little Hear It! Say It! Write It! mega Switch to cursive Start Rhymes Two Syllable Rhymes (1) mega Three Syllable Rhymes (1) omega Four Syllable Rhymes (1) escarcega Share with your friends: