Synonyms of 'throb'
1 pulsateDictionary, pound, beatHis head throbbed.
2 vibrateDictionary, pulse, resonateThe engines throbbed.
1 pulseDictionary, pounding, beatThe bruise on his stomach ached with a steady throb.
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When your heart or pulse beats, it continually makes regular rhythmic movements.
I felt my heart beat faster.
Beat is also a noun.
He could hear the beat of his heart.
Thesaurus for throb from the Collins English Thesaurus
If part of your body throbs , you feel a series of strong and usually painful beats there.