red zone
Americannoun
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Football. an unofficial term for the area at either end of the field between the 20-yard line and the goal line, considered critical for defense.
The team’s top-notch defense has allowed opponents to score a touchdown on only 39 percent of trips inside the red zone.
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an area colored red on a dial or other instrument of measurement, alerting the viewer to unsafe conditions when the needle or indicator enters it.
To avoid engine damage, do not run the engine with the tachometer needle in the red zone!
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a restricted area, sometimes specially labeled or marked with red.
Do not enter the red zone without donning proper PPE.
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any range of conditions considered unsafe or likely to generate serious problems, such as for physical or financial health.
Watch that you don’t end up in the red zone with all that stress and so little sleep.
Some countries are so far into the red zone with debt that marginal changes in repayment terms make no difference.
Etymology
Origin of red zone
First recorded in 1940–45; 1970–75 red zone for def. 1
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.
Exeter had Woodburn yellow-carded for a deliberate knock-on five minutes later as Leicester encamped themselves deep in the visitors' red zone.
From BBC ● May 31, 2026
That tone isn’t dominant today, suggesting to me that we’re still not in the red zone.
From The Wall Street Journal ● May 8, 2026
Receivers Mikey Matthews for white and Landon Ellis for blue scored the other two touchdowns on red zone crossing routes.
From Los Angeles Times ● May 2, 2026
They have made 14 handling errors in the red zone in total - again, the most of any team.
From BBC ● Mar. 13, 2026
Next it was my turn to receive the handoff from Krystal, but when she reached the red zone, and I broke out running, she couldn't catch me.
From "Patina" by Jason Reynolds
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.