ground zero
ground zero
nounDefinition of GROUND ZERO
a thing or place that is of greatest importance to an activity or interest <a city that was once ground zero for the insurance industry>
Synonyms axis, base, capital, central, core, cynosure, epicenter, eye, focus, ground zero, heart, hub, locus, mecca, navel, nerve center, nexus, nucleus, omphalos, seat
Related Words headquarters; happy hunting ground, hive, hotbed, hot spot, playground, playland; kernel, nub, pith; deep, thick; essence, quintessence, soul; attraction, lodestone (also loadstone), magnet, polestar
Learn More About
Ask The Editor Videos
Seen & Heard 
What made you want to look up ground zero? Please tell us where you read or heard it (including the quote, if possible).
