redouble
1. [ verb ] double in magnitude, extent, or intensity
Examples:

"The enemy redoubled their screaming on the radio"

Related terms: escalate
2. [ verb ] double again
Examples:

: "The noise doubled and redoubled"

Related terms: double
3. [ verb ] make twice as great or intense
Examples:

"The screaming redoubled"

Related terms: intensify
Similar spelling:   redoubled
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