Massy(superl.) Compacted into, or consisting of, a mass; having bulk and weight or substance; ponderous; bulky and heavy; weight; heavy; as, a massy shield; a massy rock.
Thesaurus Entries
Atlantean, Brobdingnagian, Cyclopean, Cynthian, Gargantuan, Herculean, Homeric, abysmal, amplitudinous, anagalactic, asteroidal, astral, astrologic, astrologistic, astrologous, astronomical, astrophysical, awesome, boundless, bulky, celestial, circumplanetary, cislunar, colossal, cosmic, elephantine, empyreal, empyrean, enormous, epic, equinoctial, extensive, extragalactic, galactic, giant, giantlike, gigantic, heavenly, heliacal, heroic, huge, immeasurable, immense, infinite, intercosmic, interplanetary, intersidereal, interstellar, jumbo, king-size, large, lunar, lunary, lunate, lunular, lunulate, mammoth, massive, massy, meteoric, meteoritic, mighty, monster, monstrous, monumental, mountainous, nebular, nebulose, nebulous, outsize, overgrown, planetal, planetarian, planetary, planetesimal, prodigious, profound, semilunar, sidereal, sizable, solar, spacious, sphery, star-spangled, star-studded, starry, stellar, stellary, stupendous, terrestrial, titanic, towering, tremendous, uranic, vast, voluminous, weighty, zodiacal