mix-up (also mixup) • n. inf. a confusion of one thing with another, or a misunderstanding or mistake that results in confusion: there's been a mix-up over the tickets. ∎ a combination of different things, esp. one whose effect is inharmonious: a ghastly mix-up of furniture styles.
"mix-up." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. (September 21, 2018). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/mix-2
"mix-up." The Oxford Pocket Dictionary of Current English. . Retrieved September 21, 2018 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/mix-2