patchiness
noun /ˈpætʃinəs/
  /ˈpætʃinəs/
[uncountable]- the state of existing or happening in some places and not others- The patchiness of the recovery makes businesses wary about expanding.
 
- the state of being incomplete; the fact of being good in some parts but not others synonym unevenness (2)- The film has been criticized for patchiness.