Wiktionary
uncountably
adv. 1 Too many to be counted (either by reason of being infinite or for practical constraints). 2 (context grammar English) In an uncountable fashion. 3 (context mathematics English) In a way that is incapable of being put into one-to-one correspondence with the natural numbers or any subset thereof. 4 (non-gloss definition: Used as a general intensifier of amounts and quantities); very; much
Usage examples of "uncountably".
She crunched the last numbers into a tractable series of equations and broke through the chaos of uncountably infinite subspaces into the blessed normalcy of RealSpace.