thud

/θʌd/
noun
  1. A dull, heavy sound, like something solid hitting a soft surface.
    • The ball hit the grass with a soft thud.
    • I heard a thud from the next room, as if someone had dropped a heavy box.
    • The book fell off the shelf with a loud thud.
verb
  1. To fall or hit something with a dull, heavy sound.
    • He thudded his fist on the table in frustration.
    • The heavy bag thudded against the floor when he dropped it.
    • The ripe apple thudded to the ground.
  2. To move or walk heavily, making a dull sound with each step.
    • The tired hiker thudded along the trail.
    • The children thudded up the stairs in their boots.
    • She could hear the horse thudding across the field.
Synonyms