countless(too many to count, innumerable) adjective [UK: ˈkaʊnt.ləs] [US: ˈkaʊnt.ləs]There were countless stars in the sky. = Había incontables estrellas en el cielo.
uncountable(too many to be counted) adjective [UK: ʌnˈk.aʊn.təb.l̩] [US: ʌnˈk.aʊn.təb.l̩]
nombre incontablenoun {m}
mass noun(noun describing something that cannot be counted) noun