endless

adjective

1)

a woman with endless energy

Syn:

unlimited, limitless, infinite, inexhaustible, boundless, unbounded, untold, immeasurable, measureless, incalculable; abundant, abounding, great; bottomless, ceaseless, unceasing, unending, without end, everlasting, constant, continuous, continual, interminable, unfading, unfailing, perpetual, eternal, enduring, lasting

See note at eternal

Ant:

limited, transient

2)

as children we played endless games

Syn:

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, gazillions of; literary myriad, divers

Ant:

few