unsuitability
🇺🇸
/ˌʌnˌsuːtəˈbɪləti/
🇬🇧
/ˌʌnˌsuːtəˈbɪləti/
When something is not a good fit or doesn't work well for a person, purpose, or situation.
The unsuitability of the candidate for the job was evident from the start.