Grayed [verb]

He had been living in a world of unrealities, in a valley of shadow, grayed by portents of failure and despair.

His hair had been lighter than Gideon's, and though now not so plentiful, had grayed less noticeably.

His form stiffened to rigidity after one lightning-swift step forward, and his face grayed.

Even those who hated him as a gross, unlovely character were shocked at his shrunken form, his grayed and grizzled cheek.

He was lying propped up on two pillows, his solid head with its growth of once dark brown hair slightly grayed.

Not until the faintest light grayed the east did the pursuers fall behind.

Until day dimmed and night grayed did they two search, neither of them eating and neither of them discovering the treasure.

The long twilight has grayed, but even far up the road I can still distinguish the posts of the wire fence.

But even these modifications are not sufficiently grayed for staining or painting large wood or wall surfaces.

He was fifty—more, possibly—with hair well grayed and the face of a man to whom success had not come easily.