n. 1 pile, heap, mountain, load, stack, mound, bunch, bundle, lot, batch, quantity, hoard, store, collection, accumulation, aggregation, agglomeration, congeries, assortment, miscellany, assemblage, conglomeration There was a mass of boulders at the bottom of the cliff 2 abundance, quantity, profusion, volume, multitude, horde, host, mob, crowd, throng, drove(s), herd(s), swarm(s), legion(s), score(s), number(s), Colloq bunch(es), ton(s), mountain, piles, bags, barrels, oodles, lots, oceans, loads, scads, US mess, slew(s) A mass of bills awaited my return from a trip abroad Masses of people greeted us at the airport. 3 block, concretion, chunk, lump, hunk, nugget A mass of sludge was clogging the valve 4 majority, best or better or greater part, bulk, body, preponderance, almost all, lion's share The great mass of the votes was still uncounted 5 dimension, size, magnitude, bulk, bigness, massiveness, enormousness, immensity The very mass of the elephant made it a hard target to miss 6 the masses. the common people, the (common) herd, the proletariat, the plebeians, hoi polloi, the lower class(es), the man or woman in the street, Brit the man or woman on the Clapham omnibus, A. n. Other, US John Q. Public, John or Jane Doe or Roe The taxes became burdensome and the masses rebelled
v. 7 amass, pile or heap up, gather Thunderclouds began to mass over the mountains 8 aggregate, accumulate, collect, assemble, congregate, meet, get or come together, gather, forgather or foregather, throng, convene, flock together, rally, group, cluster, marshal, muster, mobilize Thousands of people massed in front of the embassy The massed bands made a tremendous noise.