THESAURUS
countless
abundant, all-comprehensive, all-inclusive, ample, boundless, copious, endless, eternal, exhaustless, extending everywhere, generous, illimitable, illimited, immeasurable, immense, incalculable, incomprehensible, inexhaustible, infinite, infinitely continuous, innumerable, interminable, interminate, limitless, many, measureless, much, multitudinous, no end of, numberless, numerous, overflowing, perpetual, plentiful, shoreless, sumless, superabundant, termless, unbounded, uncircumscribed, uncountable, uncounted, unfathomable, universal, unlimited, unmeasurable, unmeasured, unnumbered, unplumbed, untold, without bound, without end, without limit, without measure, without number
ROGET THESAURUS
countless
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.