/ Thesaurus / B Synonyms of border district Find synonyms for: Noun1. borderland, border district, march, marchland, district, territory, territorial dominion, dominionusage: district consisting of the area on either side of a border or boundary of a country or an area; "the Welsh marches between England and Wales"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: devout Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language