dimmer

noun

dim·​mer ˈdi-mər 

1

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

2

: low beam

Examples of dimmer in a Sentence

Recent Examples on the Web

Full moons that coincide with apogee are known as micromoons — the opposite of a supermoon — and appear about 12-14% smaller and dimmer than average. — Jamie Carter, Forbes.com, 26 June 2026

Such circadian lighting would typically start in the morning with bright bluish light and gradually shift to dimmer, redder light in the evening before bedtime. — Lauren Jarvis-Gibson, Charlotte Observer, 24 June 2026

That lack of clarity is part of why people have already begun to take a dimmer view of A24. — Charles Pulliam-Moore, The Verge, 23 June 2026

However, the odds of a speedy conclusion to the lighting project appear dimmer. — Noah Lyons, San Diego Union-Tribune, 18 June 2026

Word History

First Known Use

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