Of the hair: grey or white in appearance, or turning white, through loss of pigmentation, typically as a result of ageing.

Of colour: Grey, greyish white. esp. Of the hair, head, or beard: Grey or white with age.

Of the hair: white or grey; hoary. Formerly also of a person: †having white or grey hair; (hence) old (obsolete).

become hoary.

Grey, grizzly; now used almost exclusively of hair. Also (now dialect), roan-coloured.

Of the hair, head, or beard: grey or white with age.

Made or grown hoary.

Of hair: somewhat grey. Also: (of a person) somewhat grey-haired.

figurative with various shades of meaning. Aged; infirm or withered as a result of old age. Of hair: white with age. Also applied to old age, esp…

Of the hair, beard, or head, when white with age. Also in figurative context.

Suffused with silver lustre; silver-coloured; whitened with age; silver-haired.

Of a silvery or silver-flecked grey colour; also, having silvery grey hair.

Of hair: white or grey; hoary. Cf. frosty, adj. 5a.

Of a dark grey colour; designating this colour. Also: (of a person) having dark grey hair.

(of hair) that has turned iron-grey; (of a person) having hair that has turned this colour.

Grey; greyish; grey-haired; grizzled.