throb / [unvoicedth]räb/ • v. (throbbed, throb·bing) [intr.] beat or sound with a strong, regular rhythm; pulsate steadily: the war drums throbbed | fig. the crowded streets throbbed with life. ∎ feel pain in a series of regular beats: her foot throbbed with pain | [as adj.] (throbbing) a throbbing headache. • n. [usu. in sing.] a strong, regular beat or sound; a steady pulsation: the throb of the ship's engines. ∎ a feeling of pain in a series of regular beats.