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

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 In recent weeks, The Wall Street Journal has spoken to more than a dozen Chinese citizens contemplating or accelerating exit plans as Shanghai’s lockdown drags on and leaders in Beijing redouble their commitment to their zero-Covid strategy. Shen Lu And Stella Yifan Xie, WSJ, 13 May 2022 By contrast, women didn’t appear to show any such deterioration in performance and instead tended to redouble their efforts. Adi Gaskell, Forbes, 3 May 2022 Sometimes, the shock of seeing democracy’s vulnerability will lead them to redouble their commitment to it, and sometimes to jettison that system in part or whole. New York Times, 18 June 2022 One of the experts hired to do the analysis, Carmen Bianco, former head of New York City Transit, said the MBTA should redouble its efforts to complete the panel’s recommendations. Globe Staff,, 11 May 2022 The company also updated its fabled culture deck in recent days, promising to redouble its efforts toward spending subscribers’ money wisely on new Netflix shows and the like. Andy Meek, BGR, 14 May 2022 Biden has pledged to redouble his efforts for easing the burden of rising prices on average Americans. Hamza Shaban, Washington Post, 11 May 2022 Madhi said that South Africa could close down mass vaccination sites and instead redouble its efforts to seek out the most vulnerable at church services and at government offices that pay out monthly pension benefits. Stephanie Nolen,, 23 Apr. 2022 The researchers said stepping up water-efficiency strategies could help redouble those savings over the long term. Ian James, Los Angeles Times, 12 Apr. 2022 See More

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.

First Known Use of redouble

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

Learn More About redouble

Time Traveler for redouble

Time Traveler

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

See more words from the same century

Dictionary Entries Near redouble

red osier



See More Nearby Entries 

Statistics for redouble

Last Updated

16 Jul 2022

Cite this Entry

“Redouble.” Dictionary, Merriam-Webster, Accessed 9 Aug. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for redouble


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.

More from Merriam-Webster on redouble

Nglish: Translation of redouble for Spanish Speakers

Britannica English: Translation of redouble for Arabic Speakers


Test Your Vocabulary

Words Named After People

  • name tags
  • Namesake of the leotard, Jules Léotard had what profession?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!