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

Definition of redouble

transitive verb

1 : to make twice as great in size or amount broadly : intensify, strengthen
2a obsolete : to echo back
b archaic : repeat

intransitive verb

1 : to become redoubled
2 archaic : resound
3 : to double an opponent's double in bridge

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Other Words from redouble

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 Australian officials plan to redouble their efforts to save the Great Barrier Reef from the effects of global warming. Nathanial Gronewold, Scientific American, "Australia Floats Plan to Better Protect Great Barrier Reef," 25 Aug. 2020 And the nature of the agreement will likely force the Palestinians to harden their stance and redouble their efforts to isolate Israel. Arkansas Online, "Palestinians say UAE deal hinders quest for Mideast peace," 14 Aug. 2020 And the nature of the agreement will likely force the Palestinians to harden their stance and redouble their efforts to isolate Israel. Joseph Krauss, Anchorage Daily News, "Netanyahu insists Israeli annexation halt under diplomatic deal with UAE is only temporary," 14 Aug. 2020 And there were the national defense neoconservatives, convinced that the United States was falling hopelessly behind the Soviet Union in military preparedness, and urging it to redouble its commitment to empire. Patrick Iber, The New Republic, "How the GOP Became the Party of Resentment," 11 Aug. 2020 During Tuesday's briefing, Beshear and Stack, the state's public health commissioner, also urged Kentuckians to redouble their efforts to prevent the spread of COVID-19. Billy Kobin, The Courier-Journal, "Cameron seeks to join suit filed by Florence Speedway, other businesses on COVID-19 rules," 1 July 2020 As a result, Cuomo said the state will redouble testing efforts in the city. Steve Bittenbender, Washington Examiner, "Cuomo: Law enforcement changes also needed at federal level," 8 June 2020 The Federal Reserve redoubled its effort to break that fall on Thursday with an ambitious plan to help companies and state and local governments gain access to funding. Patricia Cohen, New York Times, "‘Sudden Black Hole’ for the Economy With Millions More Unemployed," 9 Apr. 2020 The effect is redoubled, of course, by the rhyming tilt of their heads and the steady gaze both subjects return. Sebastian Smee, Washington Post, "Alice Neel’s ‘Two Girls in Spanish Harlem’ speaks from the artist’s heart," 31 Oct. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'redouble.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of redouble

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

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Time Traveler for redouble

Time Traveler

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

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Statistics for redouble

Last Updated

1 Sep 2020

Cite this Entry

“Redouble.” Dictionary, Merriam-Webster, Accessed 1 Oct. 2020.

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More Definitions for redouble


How to pronounce redouble (audio)

English Language Learners Definition of redouble

: to greatly increase the size or amount of (something)


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

Kids Definition of redouble

: to greatly increase the size or amount of They redoubled their efforts.

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