Thoroughgoingly

Our feelings are not transferable. My world may have points of identity with other people's worlds. How thoroughgoingly we view matters in the same way is nevertheless very hard for us to tell.

Source: wiktionary

Step by step, as he fared forward, he collated, weighed, and measured, and registered thi results to which the best ascertained facts and straightforward logic necessitated him. He subverts, it must be granted, more than he establishes ; and yet, even where he is most thoroughgoingly destructive, he has, as a rule, something weighty to offer in suggestion, constructively.

Source: wiktionary

But especially it is the privilege of America to advance herself at one giant stride to the forefront of the world, not only in politics, but also in practical intelligence, by adopting consistently and thoroughgoingly that metric and numerical system which, once introduced, must surely and speedily subdue all others to itself. What other conceivable feat, either of peace or of war, could so glorify our intelligence and civilization as a people?

Source: wiktionary

Ted Bundy wasn’t particularly Lynchian, but good old Jeffrey Dahmer, with his victim’s various anatomies neatly separated and stored in his fridge alongside his chocolate milk and Shedd Spread, was thoroughgoingly Lynchian.

Source: wiktionary