whoo Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition interjection. used to express excitement or joy Example Sentence We won the game! Whoo! More Example Sentences The owl hooted: Whoo, whoo, whoo! Synonyms yay; hooray; yahoo Antonyms boo; ugh Hear It! Say It! Write It! whoo Switch to cursive Start Share with your friends: