dimmer

/ˈdɪmər/
noun
  1. A device used to control the brightness of an electric light.
    • We replaced the old light switch with a dimmer to adjust the room's lighting.
    • The dimmer on the wall lets you set the perfect brightness for dinner.
    • He installed a smart dimmer that can be controlled from his phone.
Antonyms
adjective
  1. Comparative form of dim; less bright or less clear.
    • The hallway was dimmer than the kitchen because the bulb was weaker.
    • As the sun set, the room grew dimmer and dimmer.
    • Her memory of that day is dimmer now than it used to be.
What does "dimmer" mean? | whatsthatwordmean | whatsthatwordmean