1. Pulsate, beat, palpitate, throb refer to the recurrent vibratory movement of the heart, the pulse, etc. To pulsate is to move in a definite rhythm, temporarily or for a longer duration: Blood pulsates in the arteries. To beat is to repeat a vibration or pulsation regularly for some time: One's heart beats many times a minute. To palpitate is to beat at a rapid rate, often producing a flutter: to palpitate with excitement. To throb is to beat with an unusual force that is often associated with pain or heightened emotion or sensation: to throb with terror.

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