Grey
Part of speech: adjective
Definition: Having a grey colour, as the ash of an ember. dreary, gloomy Having an indistinct or disputed quality
Part of speech: verb
Definition: To become grey or cause to become grey.
Part of speech: noun
Definition: An achromatic colour intermediate between black and white. an extraterrestrial creature with gray skin, bulbous black eyes, and an enlarged head.
Example sentence: I believe very strongly that when it comes to desire, when it comes to attraction, that things are never black and white, things are very much shades of grey.
Gray-haired
Part of speech: adjective
Definition: Having gray hair.Hence, figuratively, old, wise, experienced.