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

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

China is making historic progress upgrading its military, and Russia has redoubled its military modernization despite massive losses of personnel and equipment in its war on Ukraine. —Mara Karlin, Foreign Affairs, 24 Apr. 2025

The magic of Frank Lloyd Wright’s genius design is its constant sense of surprise—an effect redoubled by the work of an artist like Johnson, who moves so fluidly between media. —Stephanie Sporn, Vogue, 18 Apr. 2025

The airline plans to redouble its focuses on safety, customer service and sustainability. —Zach Wichter, USA Today, 1 Apr. 2025

She’s redoubled her marketing efforts because of the stagnant buyer pool. —Derek Gilliam, Miami Herald, 15 Apr. 2025

Word History

First Known Use

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

Rhymes for redouble

• bubble
• double
• rubble
• stubble
• trouble

Kids Definition

redouble

verb

re·​dou·​ble (ˈ)rē-ˈdəb-əl 

: to make or become doubled (as in size or amount)

redoubled their efforts