power failure

noun
UK /ˈpaʊə ˌfeɪljə/
US /ˈpaʊər ˌfeɪljər/

A power failure is when the electricity suddenly stops working.

The storm caused a power failure, so we used candles all evening.


OTHER MEANINGS

2. A sudden breakdown of a machine or system so that it stops working.

A power failure in the engine forced the plane to land.

3. A loss of strength or ability in a person or group.

The team suffered a power failure in the second half and lost the game.

4. A failure of a country's or organization's authority or control.

The scandal led to a power failure within the government.