spunky, tricky, frail, hazardous, harmful, easy, sore, mad, tetchy, delicate, feelings, risky, choleric, finespun, thin-skinned, feisty, peppery, ill-natured, unsafe, soft, plucky, touch-and-go, ticklish
excitable (part of speech: adjective)
fiery, stormy, combustible, hot-tempered, high-strung, sensitive, explosive, edgy, reckless, ardent, quick-tempered, impulsive, passionate, brittle, volcanic, tempestuous, rash, volatile, nervous, excitable, emotional, short-tempered, fragile
irritable (part of speech: adjective)
churlish, petty, huffy, acerbic, cantankerous, irascible, bellicose, cross, caustic, ill-humored, prickly, cranky, sour, petulant, acrimonious, irritable, crabbed, peevish, acid, tart, surly, snappish, testy, crusty, bitchy, bearish, bitter, spiteful
- Bless your dear heart, I'm not touchy!" - "Aurora the Magnificent", Gertrude Hall.
- He was evidently very touchy about his pet lumbering operations. - "The Bent Twig", Dorothy Canfield.
- You're so blame thin in the hide, and touchy, Ormesby; and it wasn't I who did it- at least not much of it. - "The Mistress of Bonaventure", Harold Bindloss.