heavy

abstruse abundant amplest ample appalling arduous beefy big league bloodiest bloody burdensome bulky bushy cloudy close clumsy copious corpulent criminal criminal cumbrous cumbersome dangerous deep denser dense difficult dopey drowsy dull dull duller duller effortful elevated esoteric extraordinary fatter fat fighter fighters firm fleshy foremost fraught full-bodied grave grave gravest gravest gravid grievous gross grueling hard harder hebetudinous heavyweight hero/heroine heroines hefty heroes high-grade hot-blooded hulking hulky illicit illegal illustrious important incompressible iron jeopardous joyless laborious labored languorous languid leaden lethargic listless loudest loud louder lowering lumbering lymphatic major-league massive meaningful memorable miraculous momentous more abundant more dangerous more difficult more meaningful more primary more serious more significant more significant more solid more urgent most dangerous most notable most primary most significant most significant most serious most urgent most vital nodding noteworthy notable obese onerous oppressive oppressive outlawed overweight parlous parturient passionate perfervid plenteous plenitudinous ponderable ponderous portly pregnant primest primary/prime prodigious profound psychical puissant recondite richer rich richest roaring roiled roiled roily roily rotund rugged serious sensual severe significant significant sleepy slow slower slowest slumberous slow-going slow-paced slow-footed sluggish smoggy soggy solemn somniferous somnific somnifacient solid squat stiff sticky stifling stolid stodgy stout stouter stuffy stuporous stuporous substantial sullen sultry taxing thick thick thick tiresome torpid toughest tougher tough troublesome tubby turbid ungainly unfathomable urgent villain vital weighty wooden