flattened Get Printable Handwriting Rhymes Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. to make something flat or level. Example Sentence The boxer was flattened with one punch. More Example Sentences She flattened the paper before drawing. Synonyms squared; leveled; smoothed Antonyms raised; elevated; rounded Hear It! Say It! Write It! flattened Switch to cursive Start Rhymes Two Syllable Rhymes (2) fattened flattened Share with your friends: