DIM SOMETHING UP
dim something up: translation
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.