Exacting, Fibrous, Fleecy, Flossy, Fluffy, Formidable, Frightening, Fringy, Funicular, Furry, Fuzzy, Grim, Hard, Harsh, Hazardous, Hirsute, Intricate, Jagged, Knotted, Knotty, Laborious, Matted, Mean, Nappy, Perilous, Precarious, Problematic, Pubescent, Punk, Putrid, Rigorous, Risky, Rough, Rugged, Scary, Severe, Shagged, Shaggy, Silky, Spiny, Steep, Stinking, Stinky, Strenuous, Stringy, Stubbled, Stubbly, Studded, Tangled, Thorny, Ticklish, Tough, Treacherous, Tricky, Tufted, Uncertain, Uneven, Unhealthy, Unshaven, Unshorn, Unsmooth, Unsound, Uphill, Wicked, Wiry, Woolly, Worrying, Abstruse, Arduous, Bearded, Bewhiskered, Bristled, Bristling, Bristly, Brutal, Bum, Bushy, Capillary, Chancy, Cheesy, Complex, Complicated, Confused, Confusing, Craggy, Creepy, Critical, Crummy, Dangerous, Delicate, Demanding, Difficult, Dirty, Downy