Immeasurable

Adjective

 * 1) impossible to measure
 * 2) vast

Synonyms

 * immensurable; unmeasurable

Antonyms

 * measurable

Thesaurus
Gargantuan, all-comprehensive, all-inclusive, amplitudinous, astronomical, awesome, boundless, bulky, colossal, cosmic, countless, endless, enormous, eternal, exhaustless, extending everywhere, extensive, galactic, gigantic, great, huge, illimitable, illimited, immense, incalculable, incomprehensible, indefinite, inestimable, inexhaustible, infinite, infinitely continuous, innumerable, interminable, interminate, king-size, large, limitless, mammoth, massive, massy, measureless, monster, monstrous, monumental, mountainous, no end of, numberless, outsize, overgrown, perpetual, prodigious, shoreless, sizable, spacious, stupendous, sumless, termless, titanic, tremendous, unbounded, uncircumscribed, uncountable, uncounted, unfathomable, universal, unlimited, unmeasurable, unmeasured, unnumbered, unplumbed, untold, vast, voluminous, weighty, without bound, without end, without limit, without measure, without number