Synonyms for Provincialism:

n.

conservatism, tunnel vision, intransigence, reaction, dogmatism, stubborn streak, obstinacy, willfulness. inclination, bias, prejudice, intolerance. barbarism (noun)
localism.
bigotry (noun)
dogmatism, bias.
dialect (noun)
idiosyncrasy, vernacular, dialect.
idiom (noun)
idiosyncrasy, dialect.
provincialism (noun)
sectionalism, localism.

Other synonyms:

intransigence, dogmatism, stubborn streak, obstinacy. intolerance, tunnel vision, conservatism. reaction. Other relevant words:
dialect, intolerance, vernacular, obstinacy, reaction, inclination, intransigence, localism, idiosyncrasy, prejudice.

Usage examples for provincialism

  1. He was wholly unacquainted with that rank form of provincialism which we know as patriotism. – The British Barbarians by Grant Allen
  2. The Netherland polity was thus stamped almost at its birth with a narrow provincialism Delay and hesitation thus necessarily engendered were overcome in the days of danger by patriotic fervour. – Project Gutenberg History of The Netherlands, 1555-1623, Complete by John Lothrop Motley
  3. Charley was abashed to find she could take advantage of probably a provincialism to turn into ridicule such fine verses. – Wilfrid Cumbermede by George MacDonald