redouble

present singular third person redoubles · participle present redoubling · participle past redoubled · past redoubled

1. transitiveTo double, especially to double again; to increase considerably; to multiply; to intensify.

   Having lost sight of our objectives, we redoubled our efforts.

   4 more examples

   Every item of intelligence appeared to redouble the astonishment of the islanders, and they gazed at us with inquiring looks.

   1846, Herman Melville, Typee, ch. 10

   The police redoubled their efforts to capture the thieves.

   1903 October 21, “Plunder Hidden in Graves”, in New York Times, page 16

   He heard the footsteps of his pursuers behind him, and redoubled his own pace. Once he got out of these by-ways he would be safe.

   1922, Agatha Christie, “Chapter 17”, in The Secret Adversary

   With suggestions that inflation will rise above 15%, I have no doubt that today's trade union leaders will redouble their efforts to secure their members a good deal.

   2022 September 7, Philip Haigh, “Comment: More strikes and poor morale”, in RAIL, number 965, page 3

2. backgammonTo double an opponent's doubling bid.
3. intransitiveTo become twice as big.
4. To double again what was reduced to a single state.

   Like the Conservatives and Labour, the Lib Dems plan to extend Britain's rail network, reopen stations and redouble singled routes.

   2019 December 4, “Lib Dems promise fares freeze and low-emission technology”, in Rail, page 6

plural redoubles

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