tender, untoughened

difficult, hard, tricky, rough, challenging, good, dicey, frustrating, bad, harsh, daunting, resilient, rough sledding, beatable, stiff, grueling, scrappy, gutsy, tenacious, easy, feisty, bumpy, strong, brutal, big, rocky, fierce, toughened, nice, tight, terrible, scary, stubborn, brave, aggressive, touchy, stressful, stern, disappointing, humbling, great, timid, shaky, solid, unforgiving, crucial, resolute, testy, turbulent, painful, formidable, hectic, horrible, nasty, arduous, weak, terrific, faced, smart, treacherous, crazy, iffy, demoralizing, ferocious, heartbreaking, cocky, torrid, lousy, unaggressive, fearless, prickly, decisive, perilous, sluggish, wise, disheartening, gritty, miserable, tense, intense, gustiest, cautious, awful, doable, courageous, unbelievable, horrendous, soft, inexperienced, pretty, unpopular, windy, chippy, dire, tumultuous, ugly, precarious, unenviable, dangerous, unkind, uncertain, important, about, active, adam, better, chrysalis, circle, crescent, crystalline, dome, dorado, dry, fascist, found, golf, it, lost, married, matt, more, nail, tougher, toughest, hardest, harder, impossible, ticklish, contentious, ous, stupid, troublesome

bruiser, bullyboy, muscleman, plug-ugly, skinhead, tough guy

., apocynum cannabinum, armor, armour, arrow wood, balibago, balloon, bark, bashful, beach grass, beach pea, black knapweed, boxwood, box white oak, brachychiton populneus, brash oak, break, briar, brier, bullbrier, bullyboy, burr oak, bur oak, cagney, calamus, california bay tree, california laurel, california olive, calloused, calycophyllum candidissimum, cannabis, cartilage, catbrier, centaurea nigra, chitin, colorado river hemp, common spindle tree, coontie, coriaceous, courbaril, currajong, dagame, daphne family, dendrocalamus giganteus, de niro, dirca palustris, dogwood, duke wayne, durmast, elm, elmwood, enured, euonymus europaeus, family thymelaeaceae, flindersia australis, flindosa, flindosy, florida arrowroot, fox grape, gastrophryne olivacea, giant bamboo, give, greenbrier, gristle, hard-bitten, hard-boiled, hardened, hardheads, hemp, hibiscus tiliaceus, hickory, horse-brier, horse brier, hymenaea courbaril, indian hemp, india paper, inured, ironwood, iron oak, jaboticaba, jaboticaba tree, jacket, james cagney, jimmy cagney, john wayne, kurrajong, kyo-chiku, lacewood, lathyrus japonicus, lathyrus maritimus, leathered, leatherjacket, leatherlike, leatherwood, leathery, lemon-wood, lemon-wood tree, lemonwood, lemonwood tree, lesser knapweed, ligament, mahagua, mahoe, majagua, marlowe, moose-wood, moosewood, mossy-cup oak, mossycup oak, mountain laurel, munj, munja, myrciaria cauliflora, native beech, ononis repens, ononis spinosa, oregon myrtle, parietal pericardium, pepperwood, philip marlowe, pomegranate, post oak, protective covering, psychotria capensis, pugnacious, purau, quercus macrocarpa, quercus petraea, quercus sessiliflora, quercus stellata, quercus virginiana, rest-harrow, restharrow, rheumatism weed, robert de niro, ropebark, saccharum bengalense, saccharum munja, sarcoscypha coccinea, sassafras laurel, scarlet cup, seahorse, sea horse, sea pea, seminole bread, sesbania exaltata, shark, sledding, slip-skin grape, smilax rotundifolia, southern arrow wood, southern live oak, spice tree, squaretail, stew meat, sycamore, ted, teddy boy, thickened, thymelaeaceae, tool steel, toughen, toughly, turkish boxwood, umbellularia californica, viburnum dentatum, vinyl, walrus, wayne, western narrow-mouthed toad, wicopy, wrapping paper, wrought iron, zamia pumila

aggressor, assailant, attacker, battler, belligerent, combatant, criminal, crook, felon, fighter, malefactor, outlaw, scrapper

bad, bully, calloused, cartilaginous, chewy, coriaceous, difficult, enured, fibrous, goon, gristly, hard, hard-bitten, hard-boiled, hardened, hempen, hood, hoodlum, hooligan, inured, leathered, leatherlike, leathery, pugnacious, punk, roughneck, rowdy, rubbery, ruffian, ruffianly, rugged, sinewy, street fighter, stringy, sturdy, thickened, thug, tough-minded, toughened, toughie, unchewable, uncomfortable, unsentimental, violent, weather-beaten, yob, yobbo, yobo