grey

adjective7

1. •
   between black and white in color, with no other color in it
2. •
   Gray-haired.

   • I have already gone gray and lost my looks.
3. •
   (figurative) Dreary, gloomy, cloudy.

   • It's a pretty grey outlook for England if these are a sample of the mothers of the coming generation. — 1927
4. •
   Of indistinct, disputed or uncertain quality or acceptability.
5. •
   Old.

   • Two hours, whose mighty circle did embrace More time than might make grey the infant world, Rolled thus, a weary and tumultuous space: […] — 1817
6. •
   Relating to older people.

   • 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.
7. •
   (South-Africa, slang) Synonym of coloured (pertaining to the mixed race of black and white).

verb3

1. •
   To turn gray.

   • My hair is beginning to gray.
2. •
   To turn progressively older, alluding to graying of hair through aging (used in context of the population of a geographic region)

   • It’s not what advocates of retrofitting the suburbs may have had in mind, but it’s a logical outcome of the graying of America, and of suburbia in particular. — 2018
3. •
   To give a soft effect to (a photograph) by covering the negative while printing with a ground-glass plate.

noun10

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

   • Caywood holds the rifle which time after time brought down a raging, snarling prairie gray. — 1939
4. •
   A gray whale, Eschrichtius robustus.

   • Log-shaped barnacles become embedded in the hide of the gray. — 1971
5. •
   Synonym of grey alien.
6. •
   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.
7. •
   A gray dye or pigment.
8. •
   A pen, pencil, crayon, etc., made of gray pigment.
9. •
   [in the plural] (UK, historical) A member of the Royal Scots Greys, a cavalry regiment of the British Army from 1707 to 1971.
10. •
    A penny with a tail on both sides, used for cheating.