incompatibility
🇺🇸
/ˌɪnkəmˌpætəˈbɪləti/
🇬🇧
/ˌɪnkəmˌpætəˈbɪləti/
When two people or things can't work well together because they don't match or get along.
The incompatibility of their personalities caused constant arguments.
When two different things can't be used together or mixed because they don't work well together.
The software had an incompatibility with the older computer system.