brownout

noun

brown·​out ˈbrau̇-ˌnau̇t 

: a period of reduced voltage of electricity caused especially by high demand and resulting in reduced illumination

Examples of brownout in a Sentence

Recent Examples on the Web

The distinction comes as the Baltimore City Council members push to hold a hearing examining how the city would respond if brownouts became a problem during future periods of extreme heat. — Brian Carlton, Baltimore Sun, 16 July 2026

Confirm your lodging has reliable air conditioning, and check whether the region has had recent power blackouts or brownouts that could leave you without it. — Hanna Wickes, Charlotte Observer, 8 July 2026

Confirm your lodging has reliable air conditioning, and look up whether the area has had recent blackouts or brownouts. — Hanna Wickes, Sacbee.com, 8 July 2026

Cars will quickly overheat, and power outages and rolling brownouts are possible. — Tammie Souza, CBS News, 28 June 2026

Word History

Etymology

brown + blackout

First Known Use

1942, in the meaning defined above

Rhymes for brownout

• about
• bailout
• blackout
• blowout
• breakout
• burnout
• buyout
• checkout
• closeout
• cutout
• devout
• dropout

Kids Definition

brownout

noun

brown·​out ˈbrau̇-ˌnau̇t 

: a reduction in the use or availability of electric power

also : a period of dimmed lighting resulting from such reduction