adj. 25B6; adjective
a woman with endless energy : UNLIMITED, limitless, infinite, inexhaustible, boundless, unbounded, untold, immeasurable, measureless, incalculable; abundant, abounding, great; ceaseless, unceasing, unending, without end, everlasting, constant, continuous, continual, interminable, unfading, unfailing, perpetual, eternal, enduring, lasting.
as children we played endless games : COUNTLESS, innumerable, untold, legion, numberless, unnumbered, numerous, very many, manifold, multitudinous, multifarious; a great number of, infinite numbers of, a multitude of; informal umpteen, no end of, loads of, stacks of, heaps of, masses of, oodles of, scads of, zillions of; N. Amer. informal gazillions of; poetic/literary myriad, divers.
limited, few.