a word, phrase, pronunciation, or manner of speaking that is peculiar to one locality. excessive devotion to and promotion of the interests of a particular locality; sectionalism.
Origin of localism
Related formslo·cal·ist, nounlo·cal·is·tic, adjective
First recorded in 1815–25; local
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for localist
Derived Formslocalist, nounlocalistic, adjective
a pronunciation, phrase, etc, peculiar to a particular locality
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for localist
1680s, from local (adj.) + -ist. Related: Localistic.
"attachment to a particular locality," 1803, from local (adj.) + -ism. Meaning "something characteristic of a particular locality" is from 1823.
Online Etymology Dictionary, © 2010 Douglas Harper