eye opener Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. 1 something surprising and revealing; 2 a drink of liquor taken early in the day and intended to wake a person up fully Example Sentence The new program was a huge eye opener. Synonyms surprise; revelation disclosure; discovery Antonyms common occurrence Hear It! Say It! Write It! eye opener Switch to cursive Start Share with your friends: