scintillescent Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition adjective. twinkling; having a tremulous motion to the eye Example Sentence They stood in the scintillescent moonlight. Synonyms twinkling; blinking; glimmering Antonyms dull; dark Hear It! Say It! Write It! scintillescent Switch to cursive Start Share with your friends: