Wiktionary
countlessly
adv. Too numerously to be counted; without end.
Usage examples of "countlessly".
A tile-roofed open gallery ran along the top, where so many centuries of sentries had paced, and arched the massive gates with heavily moulded piers, where so countlessly the fierce burgher troops had sallied forth against their besiegers, and so often the leaguer hosts had dashed themselves in assault.