(continuing forever without end; "there are infinitely many possibilities")
(with unflagging resolve; "dance inspires him ceaselessly to strive higher and higher toward the shining pinnacle of perfection that is the goal of every artiste")
((spatial sense) without bounds; "the Nubian desert seemed to stretch out before them endlessly")
(all the time; seemingly without stopping; "a theological student with whom I argued interminably"; "her nagging went on endlessly")