grey

adjective (greyer, greyest; grayer, grayest)

• 1of a colour intermediate between black and white, as of ashes or lead:grey flannel trousers his hair was grey and wispy
• (of the weather) cloudy and dull:a cold, grey November day
• (of a person) having grey hair: [as complement]:she’s getting on a bit, and going grey
• informal relating to old people collectively:grey power the grey market
• (of a person’s face) pale, as through tiredness, age, or illness:his face looked grey and drawn

• 2without interest or character; dull and nondescript:grey, faceless men the grey daily routine

• 3(of financial or trading activity) not accounted for in official statistics:the grey economy

• 4South African historical relating to an ethnically mixed residential area: a grey Cape Town suburb

noun

• 1 [mass noun] grey colour or pigment:dirty intermediate tones of grey
• grey clothes or material:the gentleman in grey
• grey hair:he sighed at the amount of grey at his temple

• 2a grey thing or animal, in particular a grey or white horse.

verb

• [no object] (especially of hair) become grey with age:he had put on weight and greyed somewhat (as adjective greying)a man with greying hair
• (of a person) become older: (as adjective greying)a greying workforce