| hysterical(adjective, anxious, worried, tense) |
| in a cold sweat(expression, idiom, upset, uncertain, anxious) |
| in a dither(expression, adjective, idiom, uncertain, anxious) |
| in a sweat(expression, adjective, idiom, upset, uncertain) |
| insecure(weak, awkward, unstable, unsettled, uncomfortable) |
| jellyfish(adjective, upset, uncertain, anxious, nervous) |
| jerky(adjective, agitated) |
| keyed up(verb, expression, adjective, phrasal verb, excited) |
| on tenterhooks |
| palpitating(adjective, agitated) |
| pusillanimous(adjective, weak, shy, worried, afraid) |
| quivery(weak, unstable, shy, unsettled, worried) |
| rocky(weak, unstable, unsettled, unsteady, trembling) |
| running scared(expression, adjective, upset, weak, base) |
| scared |
| sensitive(adjective, anxious, nervous, worried, tense) |
| shot to pieces(expression, idiom, upset, excited, anxious) |
| sinking |
| skittery |
| solicitous(adjective, upset, excited, anxious, nervous) |