1. Loyalty to the interests of a particular region
   "The politician's regionalism appealed to local voters but alienated those from other areas"
    
2. A foreign policy that defines the international interests of a country in terms of particular geographic areas
   "The country's regionalism focused on strengthening ties with neighbouring nations"
    
3. A feature (as a pronunciation, expression or custom) that is characteristic of a particular region
   "The pronunciation of 'car' without the final 'r' is a regionalism in some parts of England"

Derived forms: regionalisms

Type of: foreign policy, loyalty, non-standard speech, trueness

Encyclopedia: Regionalism