Synonyms of high-strung

2 Syllables
nervous, twitchy, skittish, feistier, tense, edgy, edgier, jumpy, feisty, restless
3 Syllables
volcanic, fluttery, impatient, nail-biting, fidgety, jittery
4 Syllables
agitable, sensitive, overanxious, excitable, alarmable
5 Syllables
hyperactive, overexcited, overactive, emotionable, temperamental
6 Syllables
hypersensitive