n. The state or condition of being local or localized; limitation to a place or to a locality; also, the influence exerted by a locality.n. Attachment to a locality, or a peculiar limited phase of thought or feeling growing out of such attachment; provincialism; in general, any product of local influences: as, the localism of one's views or affections.n. A mode of speaking or acting peculiar to a place; a local idiom, phrase, or custom.