thud noun
ADJ. heavy, loud, resounding | dull, muffled, soft | sickening
VERB + THUD give She felt her heart give an extra thud. | hear | feel
PREP. with a ~ He hit the floor with a sickening thud.
PHRASES the thud of a heart, the thud of hooves
thud verb
ADV. hard, painfully, violently, wildly (all only used with heart) Her heart was thudding violently as she went into the room.
PREP. against The waves thudded against the side of the ship. | into The sniper's bullets thudded into the wall. | on Steps thudded on the stairs. | with His heart thudded with excitement.
You can also check other dicts: thud (English, 中文解释 ), wordnet sense, Collins Definition