relentless

The tactics were the same as the first fight; Serrano's relentless volume punching and Taylor standing her ground.

The pair served up another classic in their rematch, with Serrano's relentless volume punching and Irishwoman Taylor's smart countering.

His manager rejected this but Binder was relentless and eventually Parker let up.

The Florida lawmaker has been one of the president-elect's most aggressive and relentless defenders - at congressional hearings, in press conferences and during television appearances.

"As a serial entrepreneur, Musk has been relentless in trying to improve institutional efficiency at his own enterprises, most notably, Tesla and X," says Thomas Gift, a professor of US politics at University College London.