Inexhaustible(a.) Incapable of being emptied or used up; as an inexhaustible supply; unfailing; not to be wasted or spent; as, inexhaustible stores of provisions; an inexhaustible stock of elegant words.
Thesaurus Entries
abounding, abundant, affluent, all-comprehensive, all-inclusive, all-sufficing, ample, aplenty, bottomless, boundless, bounteous, bountiful, copious, countless, diffuse, effuse, endless, epidemic, eternal, exhaustless, extending everywhere, extravagant, exuberant, fat, fertile, flush, full, galore, generous, illimitable, illimited, immeasurable, immense, in plenty, in quantity, incalculable, incomprehensible, indefatigable, indeterminate, infinite, infinitely continuous, innumerable, interminable, interminate, lavish, liberal, limitless, luxuriant, many, maximal, measureless, much, no end of, numberless, numerous, opulent, overflowing, perpetual, plenitudinous, plenteous, plentiful, plenty, prevailing, prevalent, prodigal, productive, profuse, profusive, rampant, replete, rich, rife, riotous, running over, shoreless, sumless, superabundant, teeming, termless, tireless, unbounded, uncircumscribed, uncounted, unfailing, unfaltering, unfathomable, unflagging, universal, unlimited, unmeasurable, unmeasured, unnumbered, unplumbed, unrestricted, untiring, untold, unwearied, unwearying, wealthy, weariless, well-found, well-furnished, well-provided, well-stocked, wholesale, without bound, without end, without limit, without measure, without number