To thud is to make the loud sound of something heavy hitting or falling. Tip your chair too far back and your body may thud against the floor.

Throw an egg off a balcony onto the pavement below, and it will splat, but throw a heavy dumbbell off the same balcony and it will thud — you can call the sound it makes a thud as well. The verb originally meant "to strike, stab, or thrust," from the Old English imitative word þyddan, and the noun was used to mean "blast of wind" in the early sixteenth century.

Definitions of thud
  1. noun
    a heavy dull sound (as made by impact of heavy objects)
    synonyms: clump, clunk, thump, thumping
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    type of:
    the sudden occurrence of an audible event
  2. verb
    make a dull sound
    “the knocker thudded against the front door”
    synonyms: thump
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    type of:
    go, sound
    make a certain noise or sound
  3. verb
    strike with a dull sound
    “Bullets were thudding against the wall”
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    type of:
    collide with, hit, impinge on, run into, strike
    hit against; come into sudden contact with
  4. verb
    make a noise typical of an engine lacking lubricants
    synonyms: crump, scrunch
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    type of:
    crackle, crunch, scranch, scraunch
    make a crushing noise
Word Family