fed up Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition adjective. feeling annoyed or tired of something. Example Sentence She was fed up with their complaints. More Example Sentences Many kids get fed up with long waits. Synonyms bored; irritated; displeased Antonyms content; pleased; happy Hear It! Say It! Write It! fed up Switch to cursive Start Share with your friends: