Indeterminate territory, undefined position, neither here nor there. For example, There's a large gray area between what is legal and what is not. This term, which uses gray in the sense of “neither black nor white” (or halfway between the two), dates only from the mid-1900s.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
How to use gray area in a sentence
In all likelihood, the pronouncement of death will likely include even more gray area in the future.
I think that dynamic, that gray area really makes that interesting.The Good Wife’s Secret Weapon: Matt Czuchry on Cary Agos’s Terrible, Horrible Year | Kevin Fallon | October 27, 2014 | THE DAILY BEAST
God, science and family led you to believe in the gray area.
Boss is an expert in this gray area, where an unlucky few must spend their lives.The Flight 370 Paradox: How Do You Mourn a Missing Person? | Abby Haglage | March 15, 2014 | THE DAILY BEAST
The FAA makes clear that there “is no gray area” for journalism.We are Living in the Golden Age of the Most Narcissistic and Voyeuristic Tech Imaginable | Charles C. Johnson | January 18, 2014 | THE DAILY BEAST
This is in a gray area between black and white, and it is somewhat nebulous to pin it down to a precise percentage dimension.Warren Commission (3 of 26): Hearings Vol. III (of 15) | The President's Commission on the Assassination of President Kennedy