throb

/θrɑb/
noun
  1. A strong, regular beat or pulse, especially one caused by pain or emotion.
    • He felt a dull throb in his ankle after twisting it.
    • A throb of fear ran through her when she heard the strange noise.
    • The throb of the drums could be heard from blocks away.
  2. A steady vibration or pulsation.
    • She could feel the throb of the train through the floor.
    • The throb of the machinery made it hard to concentrate.
    • The throb of the bass guitar filled the small club.
Synonyms
verb
  1. To beat or pulse with a strong, regular rhythm, especially from pain or emotion.
    • My head began to throb after staring at the screen for hours.
    • Her heart throbbed with excitement as she waited for the announcement.
    • The music was so loud that the bass made the floor throb.
  2. To vibrate or pulsate with a steady sound or movement.
    • The engine throbbed quietly as the car idled in the driveway.
    • The old ship's hull throbbed against the waves during the storm.
    • The city throbbed with energy as the festival began.