fattened Get Printable Handwriting Rhymes Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. made or became fat or plump. Example Sentence The bear fattened on berries before the long winter. More Example Sentences They fattened the sheep for the winter. Synonyms enlarged; bloated; stuffed Antonyms thin; slim; emaciated Hear It! Say It! Write It! fattened Switch to cursive Start Rhymes Two Syllable Rhymes (2) fattened flattened Share with your friends: