A proper noun "gray" represents various places in the united states, including a city in georgia, a minor city in iowa, an unincorporated community in kentucky, a census-designated place in louisiana, a town and census-designated place in maine, and a census-designated place in tennessee.

A rural locality in north-east Tasmania, Australia.

An achromatic colour intermediate between black and white.

An animal or thing of grey colour, such as a horse, badger, or salmon.

A gray whale, Eschrichtius robustus.

(chiefly US, ufology) an extraterrestrial humanoid with grayish skin, bulbous black eyes, and an enlarged head.

(US, two-up) 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.

(demography, slang) To turn progressively older, alluding to graying of hair through aging (used in context of the population of a geographic region)

(transitive, photography) 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.

Gray-haired.

Old.

Relating to older people.