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