dimmer

1 of 2

noun

dim·​mer ˈdi-mər 

1

: a device for regulating the intensity of an electric lighting unit

2

: low beam

dimmer

2 of 2

comparative of dim entry 1

Examples of dimmer in a Sentence

Recent Examples on the Web

Noun

This is particularly beneficial for formats like 4DX, which frequently rely on older, dimmer projectors. — Benny Har-Even, Forbes.com, 28 Aug. 2026

The James Webb Space Telescope can see planets about 100,000 times dimmer than their star. — Noah Haggerty, Los Angeles Times, 28 Aug. 2026

While generally a dimmer comet, recent activity has dramatically amplified 220P/McNaught’s brightness. — Andrew Paul, Popular Science, 27 Aug. 2026

Starlink satellites, however, are much smaller and dimmer than the Reflect Orbital mirrors. — Tereza Pultarova, Space.com, 26 Aug. 2026

Word History

First Known Use

Noun

circa 1896, in the meaning defined at sense 1

Phrases Containing dimmer

• dimmer switch

Rhymes for dimmer

• brimmer
• glimmer
• grimmer
• nimmer
• rimmer
• shimmer
• simmer
• skimmer
• slimmer
• swimmer
• timmer
• trimmer

Kids Definition

dimmer

noun

dim·​mer ˈdim-ər 

1

: a device for controlling the amount of light from an electric lighting unit (as the headlights of an automobile or the lights of a room)

2

: low beam