hatful Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. 1 a large number or amount or extent; 2 as many or as much as a hat will hold Example Sentence She had a hatful of dolls. Synonyms batch; mass; quite a bit Antonyms none Hear It! Say It! Write It! hatful Switch to cursive Start Share with your friends: