Definition of regionalistic in English:

regionalistic

Pronunciation /ˌriːdʒ(ə)nəlˈɪstɪk/ /ˌriːdʒ(ə)n(ə)lˈɪstɪk/ /ˌriːdʒən(ə)lˈɪstɪk/

adjective

  • Of or relating to regionalism or regionalists; characterized by regionalism.

Origin

Late 19th century; earliest use found in The Contemporary Review. From regional + -istic.