THESAURUS
numberless
countless, endless, immeasurable, incalculable, inexhaustible, infinite, innumerable, measureless, myriad, no end of, numerous, uncountable, uncounted, unmeasured, unnumbered, untold, without end, without limit
ROGET THESAURUS
numberless
Infinity
N
infinity, infinitude, infiniteness, perpetuity, boundlessness, infinite, immense,
numberless, countless, sumless, measureless, innumerable, immeasurable, incalculable, illimitable, inexhaustible, interminable, unfathomable, unapproachable, exhaustless, indefinite, without number, without measure, without limit, without end, incomprehensible, limitless, endless, boundless, termless, untold, unnumbered, unmeasured, unbounded, unlimited, illimited, perpetual, infinitely, ad infinitum, as boundless as the sea.