touchy, thorny, testy, tetchy, contentious, bristly, snippy, combative, knotty, brusque, tempestuous, ticklish, snappish, standoffish, irascible, nettlesome, feisty, cantankerous, temperamental, fractious, spiky, vexed, acrimonious, brusk, antagonistic, truculent, acerbic, awkward, chummy, frosty, rancorous, unforthcoming, rocky, confrontational, bitter, abrasive, delicate, pugnacious, caustic, brittle, surly, diffident, argumentative, maladroit, troublesome, ornery, barbed, peevish, grumpy, waspish, recalcitrant, genial, amiable, jocular, perplexing, quarrelsome, tricky, querulous, intractable, dicey, obstinate, messy, cranky, irritating, uneasy, disagreeable, sticky, stalky, snarly, strident, curt, frayed, irksome, mercurial, pungent, stormy, disharmonious, stubborn, gruff, tactful, petulant, impertinent, affable, inscrutable, undiplomatic, frowny, unstatesmanlike, grouchy, loquacious, tense, headstrong, waggish, ambivalent, congenial, flinty, inconstant, stroppy, steely, outspoken, cordial, eccentric, problematic, dark, acclimation, acclimatization, adieu, afterglow, allegories, arid, aud, balusters, bit, bivouac, call, carrots, cola, cold, comin, cool, crypts, cucumber, cucumbers, spiny, stunted, withered, deciduous, leafless, matted, scraggly, straggly, tangled, bramble, leafed, sapless, succulent, xerophytic, downy, dwarfed

., african holly, aloe ferox, american sweet gum, apple of peru, aralia stipulata, argemone, argemone mexicana, atriplex hymenelytra, ball nettle, ball nightshade, barberry, barilla, beggar's-ticks, beggar's lice, beggar-ticks, beggar lice, bilsted, blueweed, blue devil, blue thistle, boar thistle, bonduc, bonduc tree, bramble bush, brazilwood, briar, brier, brierpatch, brier patch, broom tree, brya, buffalo bur, bullbrier, bull nettle, bull thistle, burrlike, burr marigold, bur marigold, bur reed, button snakeroot, caesalpinia bonduc, caesalpinia bonducella, caesalpinia echinata, cape aloe, carduus, catbrier, cenchrus tribuloides, chestnut, chestnut tree, chinese angelica, chinese angelica tree, cirsium lanceolatum, cirsium vulgare, common thorn apple, cork tree, datura stramonium, desert holly, devil's fig, dog rose, echium vulgare, eglantine, eryngium aquaticum, eryngium yuccifolium, erythrina vespertilio, field sandbur, genista anglica, genus argemone, genus brya, genus carduus, genus lactuca, genus loasa, genus onopordon, genus onopordum, genus opuntia, genus rosa, genus zanthoxylum, gherkin, glasswort, globe thistle, greenbrier, hibiscus sabdariffa, holly, horse-brier, horse brier, horse nettle, horse thistle, jamaica sorrel, jamestown weed, jimsonweed, jimson weed, kali, kelpwort, lactuca, lactuca scariola, lactuca serriola, liquidambar styraciflua, mexican poppy, milk thistle, mimosa sensitiva, needle furze, nopal, onopordon, onopordum, opuntia, opuntia tuna, orites excelsa, peach-wood, peachwood, pernambuco wood, petty whin, prickly ash, prickly lettuce, prickly pear, prickly poppy, rattlesnake's master, rattlesnake master, rebarbative, red gum, red sorrel, rosa, rosa canina, rosa eglanteria, roselle, rozelle, russian cactus, russian thistle, russian tumbleweed, salsola kali, salsola kali tenuifolia, salsola soda, saltwort, sandbur, sandspur, sarsaparilla, sensitive plant, smilax rotundifolia, solanum carolinense, solanum giganteum, solanum rostratum, sorrel, sow thistle, spear thistle, sticktight, sweetbriar, sweetbrier, sweet gum, sweet gum tree, thistle, tumbleweed, tuna, viper's bugloss, white thistle, zanthoxylum

armed, barbed, barbellate, briary, briery, bristled, bristly, burred, burry, ill-natured, spiny, splenetic, thorny, waspish