massy Synonyms

mastodonic pythonic prodigious ponderous mountainous monumental monstrous monster mighty massive mammoth rugged spacious stupendous heavyweight jumbo humongous whopping weighty walloping voluminous vast tremendous titanic lumpy lumpish cyclopean considerable colossal bulky brobdingnagian boundless BIG behemoth astronomical astronomic elephantine enormous gargantuan leaden large immense hulking huge herculean hefty heavy gigantic giant ample