redouble
verb
re·dou·ble (ˌ)rē-ˈdə-bəl 
redoubled; redoubling; redoubles
transitive verb
1
: to make twice as great in size or amount
broadly : intensify, strengthen
2
a
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
redouble noun
Synonyms
- accentuate
- amp (up)
- amplify
- beef (up)
- boost
- consolidate
- deepen
- enhance
- heighten
- intensify
- magnify
- step up
- strengthen
See all Synonyms & Antonyms 
Example Sentences
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 The country’s Independence Day on Wednesday is seen as a symbolic date on which Putin could redouble his assault. 
Anton Troianovski, BostonGlobe.com, 22 Aug. 2022 The country’s Independence Day on Wednesday is seen as a symbolic date on which Mr. Putin could redouble his assault. New York Times, 22 Aug. 2022 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, BostonGlobe.com, 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 See More
Anton Troianovski, BostonGlobe.com, 22 Aug. 2022 The country’s Independence Day on Wednesday is seen as a symbolic date on which Mr. Putin could redouble his assault. New York Times, 22 Aug. 2022 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, BostonGlobe.com, 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 See More Word History
First Known Use
15th century, in the meaning defined at transitive sense 1
Kids Definition
redouble
verb
re·dou·ble rē-ˈdə-bəl
redoubled; redoubling
: to greatly increase the size or amount of
They redoubled their efforts.
redoubles
verb
1
as in intensifies
to make markedly greater in measure or degree rescuers redoubled their efforts to reach the people buried in the rubble after unexpectedly hearing someone call for help Synonyms & Similar Words
Relevance
- intensifies
- deepens
- heightens
- enhances
- strengthens
- consolidates
- reinforces
- boosts
- amplifies
- sharpens
- accentuates
- magnifies
- broadens
- expands
- augments
- steps up
- accelerates
- lengthens
- hastens
- emphasizes
- extends
- enlarges
- maximizes
- enforces
- quickens
- stresses
- amps (up)
- beefs (up)
- reenforces
- exacerbates
- aggravates
- enlivens
- supplements
- restrengthens
- points (up)
- jazzes (up)
Antonyms & Near Antonyms
- decreases
- reduces
- diminishes
- weakens
- abates
- lessens
- tones (down)
- moderates
- subdues
- wanes
- recedes
- subsides
- eases
- alleviates
- lightens
- dwindles
- lets up (on)
- tapers (off)
2
as in doubles
to make twice as great or as many if we redouble the recipe, we'll have enough cookies for everyone Synonyms & Similar Words
- doubles
- increases
- multiplies
- duplicates
- expands
- enlarges
- rises
- escalates
- compounds
- proliferates
- accumulates
- swells
- mounts
- bourgeons
- builds (up)
- snowballs
- burgeons
- mushrooms
- waxes
- balloons