Definition of «matching suit»

The phrase "matching suit" refers to a set of clothes that have the same color or pattern, usually worn together as a formal outfit.

I combined it with matching suit pants, my badass gun clutch, glasses and some high heels! (style-chameleon.com)
All of a sudden, wearing a fully matched suit to the office feels exactly right. (harpersbazaar.com)
At the moment matching suits (like this one) seem to be everywhere and I love them. (inspiringwit.com)
(see all sentences)