Synonyms to immense
abysmal, Atlantean, Brobdingnagian, Cyclopean, Gargantuan, Herculean, Homeric, abyssal, appalling, astronomic, awful, bottomless, cavernous, colossal, deep as hell, dreadful, elephantine, enormous, epic, fathomless, gaping, giant, giantlike, gigantic, heroic, huge, illimitable, infinite, jumbo, mammoth, mighty, monster, monstrous, monumental, mountainous, plumbless, plunging, prodigious, profound, soundless, stupendous, terrible, titanic, towering, tremendous, unfathomable, unfathomed, unsounded, vast, without bottom, yawning, all comprehensive, across-the-board, all-comprehending, all-covering, all-embracing, all-encompassing, all-filling, all-including, all-inclusive, all-pervading, allover, blanket, boundless, catholic, compendious, complete, comprehensive, cosmopolitan, countless, country-wide, ecumenic, encyclopedic, endless, eternal, exhaustless, extending everywhere, galactic, global, heaven-wide, illimited, immeasurable, incalculable, incomprehensible, inexhaustible, infinitely continuous, innumerable, interminable, interminate, international, limitless