An achromatic colour intermediate between black and white.
An animal or thing of grey colour, such as a horse, badger, or salmon.
An extraterrestrial humanoid with grayish skin, bulbous black eyes, and an enlarged head.
A penny with a tail on both sides, used for cheating.
In the International System of Units, the derived unit of absorbed dose of radiation (radiation absorbed by a patient); one joule of energy absorbed per kilogram of the patient's mass. Symbol: Gy
To become gray.
To cause to become gray.
To turn progressively older, alluding to graying of hair through aging (used in context of the population of a geographic region)
To give a soft effect to (a photograph) by covering the negative while printing with a ground-glass plate.
Having a color somewhere between white and black, as the ash of an ember.
Dreary, gloomy.
Having an indistinct, disputed or uncertain quality.
Relating to older people.