| unsteady(adjective, wavering, tottering, teetering) |
| wavering(noun, adjective, upset, uncertain, anxious) |
| trembling(noun, verb, adjective, shaky, agitated) |
| fluctuating(noun, verb, adjective, oscillating) |
| staggering(verb, adjective, shaking, tottering, oscillating) |
| shaky(adjective, upset, uncertain, anxious, worried) |
| tottering(verb, adjective, oscillating) |
| vacillating(verb, adjective, oscillating) |
| wobbly |
| shuddering(noun, verb, adjective, agitated, shaking) |
| vibrating(noun, verb, adjective, shaking, oscillating) |
| jerky(adjective, agitated) |
| oscillating(noun, verb, adjective, oscillating) |
| quaking(noun, verb, adjective, shaky, agitated) |
| quivering(noun, verb, adjective, shaky, agitated) |
| rocking(verb, vibration, tottering, rolling, oscillating) |
| shivering(noun, verb, adjective, agitated) |
| spastic(adjective, agitated) |
| swaying(noun, verb, oscillating) |
| teetering(verb, adjective, shaking, tottering) |