noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A (scheduled or accidental) general reduction in electrical power, like a blackout but less severe.
2. 2
   darkness resulting from the extinction of lights (as in a city invisible to enemy aircraft) wordnet

Synonyms

All synonyms

brownoutblackoutblackout

Etymology

Deverbal from dim out.

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