Grade 1 fat Get Printable Handwriting (fat) 1 syllables Hear It! Say It! Write It! Learn It! Spelling Test Definition adjective. having a large amount of body weight. Example Sentence I own a fat cat. More Example Sentences She ate a fat slice of cake. Synonyms overweight; plump; chubby Antonyms thin; slim; skinny Hear It! Say It! Write It! fat Switch to cursive Start Share with your friends: