excessive or narrow-minded concern for local or regional interests as opposed to the interests of the whole
WordReference Random House Unabridged Dictionary of American English © 2026
sec•tion•al•ism
(sek′shə nl iz′əm),USA pronunciation n.
sec′tion•al•ist, n.
- excessive regard for sectional or local interests;
regional or local spirit, prejudice, etc.
- sectional + -ism 1850–55, American.
Collins Concise English Dictionary © HarperCollins Publishers::
'sectionalism' also found in these entries (note: many are not synonyms or translations):