In·def·i·nite·ly, adv. In an indefinite manner or degree; without any settled limitation; vaguely; not with certainty or exactness; as, to use a word indefinitely.
If the world be indefinitely extended, that is, so far as no human intellect can fancy any bound of it. --Ray.
adv : to an indefinite extent; for an indefinite time; "this could
go on indefinitely"