palpitation
noun/ˌpælpɪˈteɪʃən/
Frequency rank: #19,818 most common English word
Meaning
A rapid, irregular, or unusually strong heartbeat, often felt as a fluttering sensation.

Example sentence
After running up the stairs, she felt strong palpitation in her chest.
Synonyms & related words
- fluttering
- throbbing
- pounding
- racing
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