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frontiers

NOUN
boundary
Synonyms
STRONG
borderland borderline bound confines edge limit march perimeter verge
Antonyms
STRONG
center inside interior middle
WEAK
metropolis
NOUN
unexplored, unoccupied area of land
Synonyms
STRONG
backwater backwoods boondocks bush hinterland outback outskirts sticks unknown
WEAK
backcountry boonies
Antonyms
WEAK
metropolis

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.