re·​dou·​ble (ˌ)rē-ˈdə-bəl How to pronounce redouble (audio)
redoubled; redoubling; redoubles

transitive verb

: to make twice as great in size or amount
broadly : intensify, strengthen
obsolete : to echo back
archaic : repeat

intransitive verb

: to become redoubled
archaic : resound
: to double an opponent's double in bridge
redouble noun

Examples of redouble in a Sentence

They redoubled their efforts to finish the work on time. Their efforts to finish the work redoubled as the deadline drew near.
Recent Examples on the Web In an attempt to keep the lights on, the company slashed general and administrative expenses in half and redoubled focus on spacecraft thruster production. Eric Berger, Ars Technica, 20 Oct. 2023 If the supermajority redoubles the reactionary implications of its gun ruling, the public response could well be deadly to the court’s standing. Michael Waldman, The New Republic, 4 Oct. 2023 With Black Sea ports closed again, Ukraine may have to redouble its use of alternative routes, exporting grain by truck, train and river barge — journeys that take a longer time than shipping by sea, and cannot handle the same volume. Farnaz Fassihi, New York Times, 17 July 2023 The toll overall has been much lower in 2023 than in 2022 as the number of cases found in wild birds plummeted and farmers redoubled their efforts to prevent any contact between their birds and the ducks and geese migrating past their farms. Josh Funk, Fortune Well, 7 Nov. 2023 All of the psychedelics and other drugs used at trance parties redoubled panic attacks and the accompanying screams. Roger Cohen Avishag Shaar-Yashuv, New York Times, 15 Oct. 2023 Meanwhile, the United States is redoubling its efforts to enlist India, Japan, and other Asian countries against China. Joshua Shifrinson, Foreign Affairs, 17 Oct. 2023 For its part, Mongolia must redouble its efforts to reassure foreign investors and to nurture a transparent and predictable economic environment, thus setting an example for other Central Asian countries that face similar dilemmas. Tuvshinzaya Gantulga, Foreign Affairs, 6 Oct. 2023 Amid the ongoing strikes, both rabbis have redoubled their efforts to welcome those out of work. Sonja Sharp, Los Angeles Times, 15 Sep. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'redouble.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

15th century, in the meaning defined at transitive sense 1

Time Traveler
The first known use of redouble was in the 15th century

Dictionary Entries Near redouble

Cite this Entry

“Redouble.” Dictionary, Merriam-Webster, Accessed 7 Dec. 2023.

Kids Definition


re·​dou·​ble (ˈ)rē-ˈdəb-əl How to pronounce redouble (audio)
: to make or become doubled (as in size or amount)
redoubled their efforts

More from Merriam-Webster on redouble

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