redouble

Meanings

Verb

• To double, especially to double again; to increase considerably; to multiply; to intensify.
• To double an opponent's doubling bid.
• To become twice as big.
• To double again what was reduced to a single state.

Noun

• An optional bid made by the side currently holding the highest bid for the contract, after the opposing side has doubled.

Origin

• From Middle French redoubler. Surface etymology is re- + double.