upended Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. turned something upside down or over. Example Sentence The strong wind upended the picnic table. More Example Sentences They upended the box to find the toys. Synonyms overturned; reversed; toppled Antonyms uprighted; level; balanced Hear It! Say It! Write It! upended Switch to cursive Start Share with your friends: