thud Meaning, Definition & Usage

  1. noun a heavy dull sound (as made by impact of heavy objects)
    clump; clunk; thumping; thump.
  2. verb make a dull sound
    thump.
    • the knocker thudded against the front door
  3. verb strike with a dull sound
    • Bullets were thudding against the wall
  4. verb make a noise typical of an engine lacking lubricants
    scrunch; crump.

WordNet

Thud noun
Etymology
Cf. AS. oden a whirlwind, violent wind, or E. thump.
Definitions
  1. A dull sound without resonance, like that produced by striking with, or striking against, some comparatively soft substance; also, the stroke or blow producing such sound; as, the thrud of a cannon ball striking the earth.
    At every new thud of the blast, a sob arose. Jeffrey.
    At intervals there came some tremendous thud on the side of the steamer. C. Mackay.

Webster 1913