Gargantuan, Astronomical, Awesome, Awkward, Big, Boundless, Bulky, Burdensome, Close, Clumsy, Coarse, Colossal, Compact, Compacted, Compressed, Concentrated, Concrete, Condensed, Congested, Consolidated, Corpulent, Cosmic, Cracking, Crammed, Crass, Crowded, Cumbersome, Dense, Durable, Elephantine, Enduring, Enormous, Extensive, Fantastic, Fat, Firm, Full, Galactic, Gargantuan, Gigantic, Gluey, Grand, Gross, Hard, Heavy, Heavyweight, Hefty, Huge, Hulking, Immeasurable, Immense, Impenetrable, Impermeable, Incumbent, Infinite, Jammed, Jumbo, Large, Lasting, Leaden, Lumbering, Lumpish, Lumpy, Mammoth, Mighty, Monster, Monstrous, Monumental, Mortal, Mountainous, Onerous, Oppressive, Outsize, Overgrown, Oversized, Overweight, Packed, Ponderous, Prodigious, Rugged, Serried, Solid, Sound, Spacious, Stable, Steady, Stout, Strong, Stupendous, Sturdy, Substantial, Thick, Thickset, Titanic, Tough, Towering, Tremendous, Unwieldy, Unyielding, Vast, Viscose, Viscous, Voluminous, Weighty