having or seeming to have no end, limit, or conclusion; boundless; infinite; interminable; incessant: an endless series of complaints; Time is endless.
made continuous, as by joining the two ends of a single length: an endless chain or belt.
Origin: before 900; Middle English endelees, Old English endelēas. Related forms
limitless, illimitable, unending, unceasing, continuous, perpetual. See eternal