prodigious Synonyms

portentous colossal monstrous enormous huge stupendous exceptional extraordinary astonishing amazing mountain mountainous monumental monster inordinate monarchical miraculous large leviathan mammoth marvelous massive massy mega mighty olympian pharaonic ginormous jumbo humongous whopping vast tremendous towering titanic terrific surpassing strong staggering remarkable precocious pontific phenomenal largest inimaginable epic elephantine dumfounding cyclopean cumbrous