mix up with

verb

mixed up with; mixing up with; mixes up with
1
: to mistakenly put (something) with (something else)
Did my homework get mixed up with your papers?
2
: to cause (someone) to become involved with (a particular group of people and especially with people who cause trouble)
She was mixed up with the wrong crowd.
teenage boys getting mixed up with gangs

Browse Nearby Words

Cite this Entry

“Mix up with.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mix%20up%20with. Accessed 13 Mar. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster