southeastern
adj. US //ˌsaʊˈθistɝn// UK //sˈaʊθiːstən// south·east·ern
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1 regional identity (adj.) B2 Upper Intermediaterelating to a specific region that is named 'Southeastern'.
pertaining to a specific geopolitical or cultural region identified as southeastern, such as the Southeastern United States. Often capitalized when part of a proper name.
ExampleShe studied the history of southeastern tribes during her university course.
ExampleThe conference focused on economic development within southeastern European nations following the recent trade agreement.