high, monstrous, eternal, coarse, heroic, abundant, king-size, mighty, monumental, behemoth, mastodonic, pythonic, Cyclopean, Brobdingnagian, jumbo, long, Bunyanesque, gigantesque, whopping, mountainous, broad, limitless, commodious, Herculean, monster, titanic, endless, considerable, walloping, stupendous, infinite, massy, wide
large (part of speech: adjective)
extensive, sizable, ample, lofty, magnificent, colossal, soaring, majestic, generous, enormous, big, voluminous, humongous, great, copious, awesome, giant, gargantuan, expansive, baggy, large, bulky, capacious, impressive, towering, grand, cavernous, mammoth, comprehensive, tremendous, prodigious, roomy, vast, massive, huge, elephantine, gigantic, princely, spacious, grandiose
- He had a fine gravity of face and once or twice when his eyes turned my way I saw an immense sadness in them. - "The Soul of the War", Philip Gibbs.
- Why, I had a immense number of emotions. - "Samantha at the World's Fair", Marietta Holley.
- I owe you immense thanks. - "The Marriage of William Ashe", Mrs. Humphry Ward.