| tremulant(adjective, tremulous) |
| trepidity |
| twitching(verb, adjective, agitated) |
| twittery(adjective, tremulous) |
| unstable(adjective, weak, unsettled, danger, unsteady) |
| vibrant(adjective, active, irregular, shaky, exciting) |
| wagging(verb, oscillating) |
| wobble(noun, verb, agitation, shake, tremble) |
| wobbly(adjective, weak, unstable, unsettled, shaky) |
| writhing(adjective, agitated) |
| cold sweat(noun, expression, idiom, distress, anxiety) |
| cowardly(nervous, shy, fearful, suspicious, timid) |
| agitation(noun, fit, distress, anxiety, shake) |
| ague |
| all-overish |
| all aquiver(expression, weak, unstable, unsettled, shaky) |
| alternating(verb, oscillating) |
| anile(adjective, faltering, tottering, wobbling, teetering) |
| apprehensive(adjective, nervous, shy, fearful, suspicious) |
| aquake(adjective, weak, unstable, unsettled, shaky) |