dim up

(redirected from dimming up)

dim up

To cause dim lights to become brighter. We knew that the band wasn't going to play another encore when the lights in the arena dimmed up.
See also: dim, up

dim something up

to use a dimmer to make the lights brighter. (Theatrical. A dimmer is a rheostat, variable transformer, or something similar. The expression, a seeming contradiction, is the opposite of dim something down.) As the curtain rose, the electrician dimmed the lights up on a beautiful scene. You dimmed up the lights too fast.
See also: dim, up