mismatch

/ˈmɪsmætʃ/
noun
  1. A situation in which two things are not suited to each other or are different in a way that causes problems.
    • There was a mismatch between his skills and the job requirements.
    • In sports, a mismatch between teams can make the game boring.
    • The colors of the curtains and the sofa created an odd mismatch.
Antonyms
verb
  1. To put together two things that are not suited or do not match correctly.
    • If you mismatch the wires, the device won't work.
    • She mismatched the socks when folding laundry.
    • The computer program mismatched the data from different sources.
Antonyms