Word Study
exurb
OXFORD DICTIONARY
exurb, n. a district outside a city or town, esp. a prosperous area beyond the suburbs.
Derivative
exurban adj. exurbanite n.
Etymology
L ex out of + urbs city, or back-form. f. exurban (as EX-(1) + URBAN, after suburban)
THESAURUS
exurb
Stadt, banlieue, boom town, borough, bourg, burg, burgh, city, conurbation, exurbia, faubourg, ghost town, greater city, market town, megalopolis, metropolis, metropolitan area, municipality, outskirts, polis, spread city, suburb, suburbia, town, township, urban complex, urban sprawl, urbs, villeFor further exploring for "exurb" in Webster Dictionary Online