1. redouble - Noun
2. redouble - Verb
To double again or repeatedly; to increase by continued or repeated additions; to augment greatly; to multiply.
To become greatly or repeatedly increased; to be multiplied; to be greatly augmented; as, the noise redoubles.
Source: Webster's dictionaryThe screaming redoubled Source: Internet
The noise doubled and redoubled Source: Internet
The enemy redoubled their screaming on the radio Source: Internet
According to him, we must redouble efforts to resolve this affront to humanity in the 21st century. Source: Internet
"If anything, it should redouble our efforts if natural immunity fades quickly.” Source: Internet
He said: “We must all redouble our efforts to end the scourge of violent crime on our streets. Source: Internet