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Definitions

ground zero



NOUN
object
Synonyms
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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“BDCs are ground zero for value opportunity,” says Stephen O’Neill, portfolio manager at RiverNorth, a specialist in closed-end fund and BDC investments.

From Barron's • Feb. 27, 2026

The PJM Interconnection grid, which spans 13 states from Illinois to New Jersey, has become ground zero in the fight over how to pay for AI growth.

From The Wall Street Journal • Feb. 26, 2026

Nobody is exactly sure who originally coined the term, but ground zero, according to the internet historians at KnowYourMeme, might be a post made by Rep. Alexandria Ocasio-Cortez one day before the inauguration.

From Slate • Feb. 12, 2026

The bolstered business has helped spur an economic comeback in Roma and Condesa, ground zero for gentrification.

From Los Angeles Times • Dec. 22, 2025

It is at the zero hour of the big bang and the ground zero of the black hole that the mathematical equations that describe our world stop making sense.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife