Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “mix up someone/something”

mix up someone/something

(MISTAKE) phrasal verb with mix    /mɪks/ verb
to mistake someone or something for someone or something else; to confuse two people or things: It’s easy to mix up the twins. I mix them up all the time.
(Definition of mix up someone/something (MISTAKE) from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of mix up someone/something

Word of the Day

neighbourly

friendly or helpful

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More