Synonyms for Stupendous:
•wonderful, amazing (adjective)
great, phenomenal, fantastic, astonishing, enormous, prodigious, marvelous, wondrous, colossal, fabulous, gigantic, tremendous, monumental, miraculous, vast, astounding, monster, huge.
n.high, king-size, great, wide. fantastical, fabulous, miraculous, unbelievable, incredible, wonderful, marvelous, fantastic, amazing, wondrous, phenomenal, astounding, good, astonishing. mammoth, vast, mountainous, whopping, walloping, jumbo, elephantine, Massy, titanic, mighty, massive, heroic, huge, gargantuan, mastodonic, gigantic, monster, behemoth, Pythonic, giant, monumental, enormous, Gigantesque, tremendous, Bunyanesque, herculean, monstrous, cyclopean, immense, Brobdingnagian. •breathtaking (noun)
miraculous, marvelous, grand.
colossal, large, big, prodigious.
walloping, Brobdingnagian, monstrous, Gigantesque, miraculous, Bunyanesque, Pythonic, Massy, astounding, cyclopean, mastodonic. astonishing, elephantine, tremendous, whopping, vast, amazing, marvelous, monumental, titanic, mountainous, gigantic, gargantuan, immense, enormous, wondrous, huge. heroic, herculean, fabulous, phenomenal, wonderful. massive, incredible, fantastical, mighty, unbelievable. monster, fantastic. •exalted
•Other relevant words:
huge, herculean, monumental, fabulous, tremendous, fantastical, fantastic, king-size, wondrous, jumbo, phenomenal, marvelous, elephantine, mighty, incredible, Pythonic, Massy, gargantuan, whopping, Bunyanesque, giant, wide, mastodonic, grand, monstrous, monster, astonishing, massive, gigantic, great, heroic, wonderful, miraculous, vast, behemoth, high, mountainous, amazing, titanic, walloping, Brobdingnagian, Gigantesque, good, unbelievable, immense, mammoth, enormous, cyclopean, astounding.
Usage examples for stupendous
Along its western shores extends the flat limestone country, partly wooded and partly prairie land, running from that point for hundreds of miles up to the very foot of the Rocky Mountains, where the primitive rocks again make their appearance in the rugged peaks of that stupendous chain. – Popular Adventure Tales by Mayne Reid