redouble (redoubles, present participle redoubling; past and past participle redoubled)
- (transitive) To double, especially to double again; to increase considerably; to multiply; to intensify.
- Having lost sight of our objectives, we redoubled our efforts.
- 1846, Herman Melville, Typee, ch. 10:
- Every item of intelligence appeared to redouble the astonishment of the islanders, and they gazed at us with inquiring looks.
- 1903, "Plunder Hidden in Graves," New York Times, 21 Oct., p. 16:
- The police redoubled their efforts to capture the thieves.
- (bridge, backgammon) To double an opponent's doubling bid.
- (intransitive) To become twice as big.
- To double again what was reduced to a single state.
redouble (plural redoubles)
- (bridge) An optional bid made by the side currently holding the highest bid for the contract, after the opposing side has doubled.