trip up Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. to cause someone to stumble or make a mistake. Example Sentence Be careful not to trip up on that loose step. More Example Sentences The tricky question could trip up anyone. Synonyms stumble; mislead Antonyms balance; succeed Hear It! Say It! Write It! trip up Switch to cursive Start Share with your friends: