n. 1 horde, host, press, throng, crowd, pack, herd, swarm, crush, jam, multitude, mass, body, assemblage, collection, group The mob surged forward, hurling sticks and stones at anyone in uniform 2 rabble, riff-raff, proletariat, populace, the masses, great unwashed, hoi polloi, canaille, bourgeoisie, lower classes, scum (of the earth), dregs of society The mob cheered when the king was beheaded
v. 3 crowd (round or around), jostle, throng, surround, beset, clamour over, swoop down on or upon Thousands of screaming teenagers mobbed the singer