redoubled

(verb) double in magnitude, extent, or intensity. Synonyms: redouble. Example: "The enemy redoubled their screaming on the radio."

(verb) double again. Synonyms: redouble. Example: "The noise doubled and redoubled."

(verb) make twice as great or intense. Synonyms: redouble. Example: "The screaming redoubled."

(adj) become much greater in intensity or size or amount. Examples: "We faced redoubled attacks from the enemy." "Despite our redoubled efforts."