Wiktionary
adv. (context idiomatic English) totally; fully; completely
Usage examples of "in full force".
When Jimmy Kilmartin had been recuperating after an operation, Minogue believed he had discerned a more thoughtful Chief Inspector, but the cajolery and cattle-fair persuasion now seemed to have returned in full force.
One stocky soldier, his cloak thrown back to display the Verheyen crest on his tabard, pushed to the front of the crowd, elbowed aside a pair of Benton men, and if the Watch hadn't been in the market in full force, it was just the sort of thing that would have degenerated into a brawl, despite the cold.
When she reached the landing she saw all she needed to bring her rage back in full force.
It wasn't only that I felt the sexual attraction in full force, I could feel his heartbeat in my head.
They had built a sort of grand stand for the nobility and gentry, and these were there in full force, with their ladies.