gray

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

Dreary, gloomy, cloudy.

the era of gray, boring banality and stagnation

Of indistinct, disputed or uncertain quality or acceptability.

Gray-haired.

Old.

Two hours, whose mighty circle did embrace More time than might make grey the infant world, Rolled thus, a weary and tumultuous space: […]

In a subculture that idealizes youth, being gay and gray does not exactly make one a hot ticket. Older gays and lesbians often relegate themselves to separate and unequal meeting places.

To turn gray.

My hair is beginning to gray.

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

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.

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

An achromatic colour between black and white.

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

A gray wolf

Caywood holds the rifle which time after time brought down a raging, snarling prairie gray.

A gray whale, Eschrichtius robustus.

Log-shaped barnacles become embedded in the hide of the gray.

Synonym of grey alien.