gray
Noun pluralgrays
UK spellinggrey
Pluralgrays
- 1
- 2A color that is a mix of black and white, with no other color in it.
Like the color you get when you stir black and white paint together.
The artist mixed a warm gray for the shadows.
Different grays blended softly across the painting.
- 3Not clearly right or wrong, and hard to judge as good or bad.
Like a question that has no clear yes or no answer.
The legality of the deal fell into a gray area.
Parking on this street at night is a bit of a gray area.
UsageMost often in a gray area.
Similarvague, unclear, ambiguous, uncertain, fuzzy
Oppositeclear, clear-cut, unambiguous
- 4
- 5Having gray hair from age, being old, or having to do with older people.
Like an old man whose hair has turned the color of ash.
By the time he retired, the old professor was gray and a little stooped.
Years at sea had left him gray and weathered.
UsageSay hair goes gray or turns gray.
- 6To turn gray or make something gray, especially hair as people age, or, of a group, to get older overall.
Like a wooden fence slowly losing its color out in the rain.
His beard began to gray after his fortieth birthday.
Wood left outside will gray within a few seasons.
UsageOften in start to gray, about hair.
- 7An animal or thing that is gray in color, such as a horse or fish.
Like calling a brown horse simply 'a brown.'
The farmer rode a sturdy gray to market.
Among the herd, two grays stood out from the brown horses.
Less common meanings
- 8A kind of alien with gray skin, a big head, and large black eyes, said to be seen near UFOs.
Like the big-eyed aliens you see on TV shows about UFOs.
Witnesses described a gray standing at the foot of the bed.
The movie's aliens were classic grays with big heads and black eyes.
Note
- 9A large whale that lives in the sea and is gray in color.
Like calling a humpback whale just a 'humpback' for short.
The whalers spotted a gray spouting near the shore.
Migrating grays pass this stretch of coast each winter.
Note
- 10A unit used to measure how much radiation something has soaked up.
Like a measuring cup, but for how much radiation is soaked up instead of water.
Each treatment gave the tumor a dose of two grays.
One gray of radiation is a large dose for a person.
Note
- 11To make a photo look soft by covering the negative with frosted glass while printing.
- 12A trick coin with a tail on both sides, used to cheat in a betting game.
Showing meanings only.
Practice
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Origins
This is a very old English word for the color grey, related to similar words in German, Dutch and Swedish.
Checked 1 Nov 2026 · 2 facts
- The color word is inherited from Old English. en.wiktionary.org
- The word has cognates in German, Dutch and Swedish. en.wiktionary.org
It takes its name from Louis Harold Gray (1905–1965), a scientist from England who studied physics.
Checked 1 Nov 2026 · 3 facts
- The unit gray takes its name from Louis Harold Gray. en.wikipedia.org
- Louis Harold Gray lived from 1905 to 1965 and was a scientist from England. en.wikipedia.org
- Gray studied physics. academic.oup.com