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

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

After the hearing, President Trump redoubled his call to Republicans to defund NPR and PBS. —Filip Timotija, The Hill, 29 Mar. 2025

No, now is the moment to redouble our commitment to defeat the disease – to save millions of lives and to safeguard our collective future. —Peter Sands, Forbes, 23 Mar. 2025

These programs could spur commercial space players to redouble their efforts to develop and monetize cislunar space and the lunar surface. —John Kross, Space.com, 3 Feb. 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