Bearing or covered with hair; made of or resembling hair; rough with hair; hirsute. [1913 Webster]
"His mantle hairy, and his bonnet sedge." [1913 Webster]
Very complicated, difficult, or involved; as, a hairy problem; a hairy equation. [PJC]
Dangerous or frightening; as, a hairy encounter with a mugger. [PJC]

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OXFORD DICTIONARY

hairy, adj. (hairier, hairiest)
1 made of or covered with hair.
2 having the feel of hair.
3 sl. a alarmingly unpleasant or difficult. b crude, clumsy.

Derivative

hairily adv. hairiness n.

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THESAURUS

hairy

Herculean, abstruse, arduous, asperous, barbellate, barfy, bearded, bewhiskered, bristled, bristling, bristly, brutal, bum, bushy, capillary, chancy, cheesy, cirrose, cirrous, comate, complex, complicated, confused, confusing, craggy, crappy, creepy, critical, crummy, dangerous, delicate, demanding, difficile, difficult, dirty, downy, exacting, fibered, fibroid, fibrous, flagelliform, fleecy, flocculent, flossy, fluffy, formidable, frightening, fringy, funicular, furry, fuzzy, glochidiate, godawful, goshawful, gossamery, grim, hairlike, hard, hard-earned, hard-fought, harsh, hazardous, hirsute, hispid, icky, intricate, jagged, jawbreaking, jeopardous, knotted, knotty, laborious, lanate, ligamental, matted, mean, nappy, nerve-racking, no picnic, not easy, operose, perilous, pilose, precarious, problematic, pubescent, punk, putrid, rigorous, risky, ropy, rough, rugged, scabrous, scary, scraggy, set with thorns, setaceous, setose, setous, severe, shagged, shaggy, shitty, silky, spiny, steep, stinking, stinky, strenuous, strigal, strigate, strigose, stringy, stubbled, stubbly, studded, taeniate, taeniform, tangled, thorny, threadlike, thready, ticklish, toilsome, tough, treacherous, trichoid, tricky, tufted, uncertain, uneven, unhealthy, unshaven, unshorn, unsmooth, unsound, uphill, vomity, whiskered, wicked, wiry, woolly, worrying, yecchy

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ROGET THESAURUS

hairy

Filament

N filament, line, fiber, fibril, funicle, vein, hair, capillament, cilium, cilia, pilus, pili, tendril, gossamer, hair stroke, veinlet, venula, venule, wire, string, thread, packthread, cotton, sewing silk, twine, twist, whipcord, tape, ribbon, cord, rope, yarn, hemp, oakum, jute, strip, shred, slip, spill, list, band, fillet, fascia, ribbon, riband, roll, lath, splinter, shiver, shaving, beard, ramification, strand, filamentous, filamentiferous, filaceous, filiform, fibrous, fibrillous, thread-like, wiry, stringy, ropy, capillary, capilliform, funicular, wire-drawn, anguilliform, flagelliform, hairy, taeniate, taeniform, taenioid, venose, venous.

Roughness

N roughness, tooth, grain, texture, ripple, asperity, rugosity, salebrosity, corrugation, nodosity, arborescence, pilosity, brush, hair, beard, shag, mane, whisker, moustache, imperial, tress, lock, curl, ringlet, fimbriae, pili, cilia, villi, lovelock, beaucatcher, curl paper, goatee, papillote, scalp lock, plumage, plumosity, plume, panache, crest, feather, tuft, fringe, toupee, wool, velvet, plush, nap, pile, floss, fur, down, byssus, moss, bur, fluff, knot (convolution), rough, uneven, scabrous, scaly, knotted, rugged, rugose, rugous, knurly, asperous, crisp, salebrous, gnarled, unpolished, unsmooth, roughhewn, craggy, cragged, crankling, scraggy, prickly, arborescent, leafy, well-wooded, feathery, plumose, plumigerous, laciniate, laciniform, laciniose, pappose, pileous, pilose, trichogenous, trichoid, tufted, fimbriated, hairy, ciliated, filamentous, hirsute, crinose, crinite, bushy, hispid, villous, pappous, bearded, pilous, shaggy, shagged, fringed, befringed, setous, setose, setaceous, like quills upon the fretful porcupine, rough as a nutmeg grater, rough as a bear, downy, velvety, flocculent, woolly, lanate, lanated, lanuginous, lanuginose, tomentose, fluffy, against the grain, cabello luengo y corto el seso.

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