| fluctuating(noun, verb, adjective, hesitant, wavering) |
| oscillating(noun, verb, adjective, hesitant, exciting) |
| pulsating(noun, verb, adjective, exciting, oscillating) |
| throbbing(noun, verb, adjective, exciting, oscillating) |
| vacillating(verb, adjective, hesitant, wavering, indecisive) |
| trembling(verb, exciting, unsteady, shaking, jarring) |
| pulsing(noun, verb, adjective, exciting, oscillating) |
| quivering(verb, adjective, exciting, unsteady, trembling) |
| shivering(verb, unsteady, trembling) |
| quaking(verb, adjective, exciting, unsteady, trembling) |
| quavering(adjective, unsteady, trembling) |
| resonating(verb, resonating) |
| vibratory |
| wavering(noun, adjective, hesitant, indecisive) |
| wobbling(noun, verb, shaking, oscillating) |
| resounding(verb, adjective, dull, energetic, deep) |
| rocking(verb, oscillating) |
| shuddering(verb, unsteady, trembling, shaking, jarring) |
| swaying(noun, verb, hesitant, wavering, indecisive) |
| tremulous(adjective, unsteady, trembling) |