American Oxford Thesaurus
tenterhooks
tenterhooks plural noun PHRASES on tenterhooks she's been on tenterhooks ever since the job interview: in suspense, waiting with bated breath; anxious, nervous, apprehensive, worried, worried sick, on edge, edgy, antsy, tense, strained, stressed, agitated, restless, worked up, keyed up, jumpy, with one's stomach in knots, with one's heart in one's mouth; informal with butterflies in one's stomach, jittery, twitchy, in a state, uptight, het up; squirrelly.
Oxford Thesaurus
tenterhooks
tenterhooks plural noun PHRASES on tenterhooks she had been on tenterhooks all night, waiting for Joe to return: in suspense, waiting with bated breath; anxious, nervous, nervy, apprehensive, worried, worried sick, on edge, edgy, tense, strained, stressed, agitated, in a state of nerves, in a state of agitation, fretful, restless, worked up, keyed up, overwrought, wrought up, strung out, jumpy, with one's stomach in knots, with one's heart in one's mouth, like a cat on a hot tin roof, fidgety, on pins and needles; informal with butterflies in one's stomach, jittery, twitchy, in a state, uptight, wired, in a stew, in a dither, all of a dither, in a sweat, in a flap, in a tizz /tizzy, all of a lather, het up, in a twitter, waiting for the axe to fall; Brit. informal strung up, windy, having kittens, all of a doodah; N. Amer. informal spooky, squirrelly, in a twit; Austral. /NZ informal toey; Brit. vulgar slang shitting bricks, bricking oneself; dated overstrung.