He sat by himself in a darkened room and refused to see anyone.
He crafted an outline of an airplane and filled it with water so it darkened like a shadow.
The machinery even set off a landslide of its own, which the team watched from the darkened cockpit on video screens.
"At least you fed before," said Nguyen, as he came to our darkened sanctuary.
People took to the darkened streets for the first time in weeks, honking horns and hooting.
The gaily-lighted windows mocked me with their glitter, and the darkened ones had a menace in their black indifference.
The face of the Gascon darkened, and his eyes flashed with resentment.
No reproachful teacher, no truant officer threatening arrest and the Juvenile Court, ever darkened her horizon.
Behind him, in a darkened room, a barkeeper was wiping the bar with a clean cloth.
The voice was quite close to the door now, and a shadow was cast down into the darkened cabin.
c. 1300, "to make dark;" late 14c., "to become dark," from dark (adj.) + -en (1). The more usual verb in Middle English was simply dark, as it is in Chaucer and Shakespeare, and darken did not predominate until 17c. The Anglo-Saxons also had a verb sweorcan meaning "to grow dark." To darken someone's door (usually with a negative) is attested from 1729.