Definition of ground zero
- the party town that served as ground zero for those corporate … bashes
- —Rich Eisen
ground zero in the battle over immigration laws
a city that was once ground zero for the insurance industry
: the point on the earth's surface directly above, below, or at which an explosion (especially a nuclear explosion) occurs
: the central point in an area of fast change or intense activity
: the beginning state or starting point
What made you want to look up ground zero? Please tell us where you read or heard it (including the quote, if possible).
Merriam-Webster's New Words Quiz—Fall 2017 Edition!
Test your knowledge - and maybe learn something along the way.TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.TAKE THE QUIZ