redouble

And for those who fear Trump, any sign he may have sway over powerful institutions only redoubles concern, Mercieca said.

Israel’s assassination of Hezbollah leader Hassan Nasrallah set off furious grief or grim satisfaction, redoubling fears of a widening regional war.

But in recent years, amid mounting alarm over its plummeting fertility rates, South Korea has been redoubling its decades-long efforts — such as ethnic identity-building campaigns and employment programs — to bring them back.

Meanwhile, top Washington state Congressional Democrats have called on Boeing and the union to "redouble... efforts to reach a mutually beneficial resolution."

I mean, he’s hawking watches and sneakers before the election, so he would only redouble his efforts to squeeze the last dollars out of his fans in the aftermath.