redoubles

Greatly increases effort

Redoubles means doubles again or intensifies further.

When efforts or attacks redouble, they increase with renewed vigor: She redoubled her efforts after the setback.

The word implies not just continuation but escalation—a second surge of energy or force applied to something already underway.

intensifies

amplifies

Increases strength or volume

deepens · reinforces · boosts · enhances · magnifies · augments · concentrates · fortifies · sharpens · accelerates

repeats

reiterates

Says something again

reaffirms · reemphasizes · restates · echoes · replays · reprises · duplicates · resumes

Categories
Opposites
intensity/effort increase

redoublesdecreases

Grows smaller in amount

reduces · lessens · diminishes · slackens · eases

persistence/continuation

redoublesabandons

Ceases to support

quits · gives up · surrenders · relents · capitulates

Family

redouble, redoubled, redoubling

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Used worldwide · Timeless · Rated G