adj, noun ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   A rheostat that is used to vary the intensity of a domestic electric light
2. 2
   a rheostat that varies the current through an electric light in order to control the level of illumination wordnet
3. 3
   A switch used to select between the low and high headlamp beam on a road vehicle. (usually as "dimmer switch", primarily in North America; elsewhere "dipswitch" or "dipper switch")

Adjective

1. 1
   comparative form of dim: more dim comparative, form-of

Synonyms

All synonyms

arcfloodfloodlightgelatinlightslimelight

Example

More examples

"Yanni's torch started getting dimmer and dimmer."

Etymology

Etymology 1

From dim (verb) + -er.

Etymology 2

From dim (adjective) + -er.

Related phrases

dimmer switchdipper switch

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.