Definition of "gray" in English

adjective

1. Of a colour between black and white, having neutral hue and intermediate brightness.

2. Dreary, gloomy, cloudy.

3. Of indistinct, disputed or uncertain quality or acceptability.

4. Gray-haired.

5. Old.

6. Relating to older people.

   • the gray dollar
   • February 8, 1800, Fisher Ames, Eulogy on Washington Gray experience listened to his counsels with respect, and, at a time when youth is almost privileged to be rash, Virginia committed the safety of her frontier, and ultimately the safety of America, not merely to his valor,—for that would be scarcely praise,—but to his prudence.

verb

1. (ergative) To turn gray.

   • My hair is beginning to gray.

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

   • the graying of America

3. (transitive, photography) To give a soft effect to (a photograph) by covering the negative while printing with a ground-glass plate.

noun

1. An achromatic colour between black and white.

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

3. A gray wolf

4. A gray whale, Eschrichtius robustus.

5. (chiefly US, ufology) Synonym of grey alien.

6. (US, two-up) A penny with a tail on both sides, used for cheating.

noun

1. 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.