Fri. Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. an abbreviation for Friday the fifth day of the week. Example Sentence I will meet you on Fri. More Example Sentences We will go out for dinner on Fri. Synonyms Friday; week end; end of the week Antonyms Monday Hear It! Say It! Write It! Fri. Switch to cursive Start Share with your friends: