| quaver(verb, pause, hesitate, stumble, waver) |
| quiver(verb, shake, pause, sway, vary) |
| rage |
| rock(verb, pause, hesitate, stumble, waver) |
| roll(verb, pause, hesitate, stumble, waver) |
| run hot and cold(verb, expression, idiom, hesitate, falter) |
| scruple(verb, pause, hesitate, stumble, waver) |
| seesaw(verb, shake, pause, sway, hesitate) |
| set in |
| shake(verb, pause, sway, hesitate, stumble) |
| shilly-shally(verb, change, hesitate, falter, waver) |
| speak haltingly(verb, expression, hesitate, stumble, waver) |
| squall |
| stammer(verb, shake, pause, sway, hesitate) |
| storm |
| straddle(verb, pause, hesitate, hedge, waver) |
| stub toe(verb, expression, hesitate, stumble, waver) |
| stumble(verb, pause, sway, hesitate, waver) |
| stutter(verb, pause, hesitate, stumble, waver) |
| sway(verb, change, shake, pitch, hesitate) |