1. (noun) a shaky motion

• palpitation
• quiver
• shakiness
• shaking
• trembling
• vibration

2. (noun) the act of vibrating

• quiver
• vibration

1. (noun) a shaky motion

• motion

2. (noun) the act of vibrating

• motility
• motion
• move
• movement

1. (noun) a shaky motion

• tremolo
• tremor

2. (noun) the act of vibrating

• shudder
• tremor

1. (noun) a shaky motion

• didder
• shake
• palpitate
• palpitate
• palpitate
• quake
• quake
• quake
• quiver
• quiver
• quiver
• rickety
• shaky
• wobbly
• wonky
• shaky
• shivering
• trembling
• tremble
• vibrate
• vibrational

2. (noun) the act of vibrating

• oscillate
• vibrate
• palpitate
• quake
• quiver
• vibrational