mismatch[ mis-mach; for 2 also mis-mach ]SEE DEFINITION OF mismatch
EXAMPLES FROM THE WEB FOR MISMATCH
It is hardly necessary to explain that a mismatch—of a young and an old person—is the usual pretext for a charivari.
On the other hand, a mismatch will clear the suspect completely and the detective will know to look elsewhere for the criminal.
RELATED WORDS AND SYNONYMS FOR MISMATCH
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.