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1. A shaky motion
   - shaking, shakiness, trembling, quiver, vibration, palpitation
    
2. The act of vibrating
   - vibration, quiver

1. Shake with fast, tremulous movements
   - quake, palpitate
    
2. Move back and forth very rapidly
   - flicker, waver, flitter, flutter
    
3. Move with or as if with a regular alternating motion
   - pulsate, beat

Derived forms: quiverings

Type of: motility, motion, move, move back and forth, movement, tremble

Encyclopedia: Quiver