Definition: beat rapidly
Usage: His heart palpitated
Synonyms: quake, quiver, palpitate
Definition: shake with fast, tremulous movements
Usage: His nostrils palpitated
Similar words: tremble
Definition: move or jerk quickly and involuntarily up and down or sideways
Usage: His hands were trembling when he signed the document
Synonyms: palpitate
Definition: cause to throb or beat rapidly
Usage: Her violent feelings palpitated the young woman's heart
Definition: move or cause to move back and forth
Usage: The chemist shook the flask vigorously; My hands were shaking