1. A collection of items that do not match each other in design, color, pattern, or style
The dining room had a mismatched set of chairs from different eras.
A sala de jantar tinha um conjunto desparelhado de cadeiras de diferentes épocas.
2. Items intended to form a pair or group but that are incompatible or do not coordinate well together
She wore a mismatched set of socks without realizing it.
Ela usava um par desparelhado de meias sem perceber.