1. moves rapidly back and forth or up and down with small movements
2. produces sound by moving rapidly back and forth
3. causes something to shake or move rapidly

Examples

• The guitar string vibrates when plucked.
• My phone vibrates when I receive a text message.
• The washing machine vibrates during the spin cycle.
• The tuning fork vibrates at a specific frequency.
• The engine vibrates the entire car when idling.
• Her voice vibrates with emotion when she sings.
• The speaker vibrates to produce sound waves.