thud
noun
1. a heavy dull sound (as made by impact of heavy objects)
verb
1. make a dull sound
- the knocker thudded against the front door
Similar word(s): thump
Definition categories: perception, go, sound
2. strike with a dull sound
- Bullets were thudding against the wall
Definition categories: contact, hit, strike
3. make a noise typical of an engine lacking lubricants
Similar word(s): crump, scrunch
Definition categories: perception, crackle, crunch, scranch, scraunch