
Darken
Atmospheric Changes
Use 'darken' to talk about changes in lighting due to weather or time of day.

Clouds gathering at dusk will darken the streets.
Electronic Screens
Refer to diminishing brightness of screens or displays with 'darken'.

Darken your phone screen to save battery.
Temporary State
Use 'darken' to describe something becoming dark that could later brighten.

The room will darken as the movie starts.
Compare with
BlackenCloudDimDullGloomObscureShadeTarnish
WordUp Chrome Extension
As you browse the web instantly look up words you don’t know.
Get Chrome Extension