| flickering |
| fluctuant(weak, unstable, unsettled, unsteady, trembling) |
| fluttering |
| fluttery |
| goose-bumpy(shy, worried, afraid, apprehensive, scared) |
| have cold feet(expression, idiom, shy, worried, apprehensive) |
| hesitant(shy, worried, afraid, apprehensive, scared) |
| in a dither(expression, idiom, shy, worried, apprehensive) |
| infirm(weak, unstable, unsettled, unsteady, trembling) |
| insecure(adjective, weak, unstable, unsettled, unsteady) |
| intimidated(shy, worried, afraid, apprehensive, scared) |
| jellylike(weak, unstable, unsettled, unsteady, trembling) |
| jerry-built(weak, unstable, unsettled, unsteady, trembling) |
| lambent |
| mousy(shy, worried, afraid, apprehensive, scared) |
| nerveless(shy, worried, afraid, apprehensive, scared) |
| nervous(weak, unstable, shy, unsettled, apprehensive) |
| nervy(shy, worried, afraid, apprehensive, scared) |
| not set(expression, weak, unstable, unsettled, unsteady) |
| panicky(shy, worried, afraid, apprehensive, scared) |