1.  mob(n = noun.group) rabble, rout - a disorderly crowd of people;
is a kind of crowd
has particulars: lynch mob
Derived form verb mob₁

2.  mob(n = noun.group) crime syndicate, family, syndicate - a loose affiliation of gangsters in charge of organized criminal activities;
is a kind of gangdom, gangland, organized crime
has particulars: cosa nostra, maffia, mafia
Derived form noun mobster₁

3.  mob(n = noun.group) gang, pack, ring - an association of criminals; "police tried to break up the gang"; "a pack of thieves"
is a kind of association
is a member of gangdom, gangland, organized crime
has particulars: nest, youth gang
Derived form noun mobster₁

   mob(v = verb.motion) jam, pack, pile, throng - press tightly together or cram; "The crowd packed the auditorium"
is one way to crowd, crowd together
Derived form noun mob₁
Sample sentences: Somebody ----s PP

   A mobcap. Goldsmith. [1913 Webster]

   To wrap up in, or cover with, a cowl. [1913 Webster]

1.  The lower classes of a community; the populace, or the lowest part of it. [1913 Webster]
"A cluster of mob were making themselves merry with their betters." [1913 Webster]

2.  A throng; a rabble; esp., an unlawful or riotous assembly; a disorderly crowd. [1913 Webster]
"The mob of gentlemen who wrote with ease." [1913 Webster]
"Had every Athenian citizen been a Socrates, every Athenian assembly would still have been a mob." [1913 Webster]
"Confused by brainless mobs." [1913 Webster]

   To crowd about, as a mob, and attack or annoy; as, to mob a house or a person. [1913 Webster]

mob, n. & v.
--n.
1 a disorderly crowd; a rabble.
2 (prec. by the) usu. derog. the populace.
3 colloq. a gang; an associated group of persons.
4 Austral. a flock or herd.
--v.tr. & intr. (mobbed, mobbing)
1 tr. a crowd round in order to attack or admire. b (of a mob) attack. c US crowd into (a building).
2 intr. assemble in a mob.

Idiom:
mob law (or rule) law or rule imposed and enforced by a mob.

Derivative:
mobber n. & adj.

Etymology:
abbr. of mobile, short for L mobile vulgus excitable crowd: see MOBILE

N  assemblage, collection, collocation, colligation, compilation, levy, gathering, ingathering, muster, attroupement, team, concourse, conflux, congregation, contesseration, convergence, meeting, levee, reunion, drawing room, at home, conversazione, assembly, congress, convention, conventicle, gemote, conclave, posse, posse comitatus, Noah's ark, miscellany, collectanea, museum, menagerie, museology, crowd, throng, group, flood, rush, deluge, rabble, mob, press, crush, cohue, horde, body, tribe, crew, gang, knot, squad, band, party, swarm, shoal, school, covey, flock, herd, drove, atajo, bunch, drive, force, mulada, remuda, roundup, array, bevy, galaxy, corps, company, troop, troupe, task force, army, regiment, host, populousness, clan, brotherhood, fraternity, sorority, association, volley, shower, storm, cloud, group, cluster, Pleiades, clump, pencil, set, batch, lot, pack, budget, assortment, bunch, parcel, packet, package, bundle, fascine, fasces, bale, seron, seroon, fagot, wisp, truss, tuft, shock, rick, fardel, stack, sheaf, haycock, fascicle, fascicule, fasciculus, gavel, hattock, stook, accumulation, congeries, heap, lump, pile, rouleau, tissue, mass, pyramid, bing, drift, snowball, snowdrift, acervation, cumulation, glomeration, agglomeration, conglobation, conglomeration, conglomerate, coacervate, coacervation, coagmentation, aggregation, concentration, congestion, omnium gaterum, spicilegium, black hole of Calcutta, quantity, collector, gatherer, whip, whipper in, assembled, closely packed, dense, serried, crowded to suffocation, teeming, swarming, populous, as thick as hops, all of a heap, fasciculated cumulative, the plot thickens, acervatim, tibi seris tibi metis.

N  commonality, commonalty, democracy, obscurity, low condition, low life, low society, low company, bourgeoisie, mass of the people, mass of society, Brown Jones and Robinson, lower classes, humbler classes, humbler orders, vulgar herd, common herd, rank and file, hoc genus omne, the many, the general, the crowd, the people, the populace, the multitude, the million, the masses, the mobility, the peasantry, king Mob, proletariat, fruges consumere nati, demos, hoi polloi, great unwashed, man in the street, mob, rabble, rabble rout, chaff, rout, horde, canaille, scum of the people, residuum of the people, dregs of the people, dregs of society, swinish multitude, foex populi, trash, profanum vulgus, ignobile vulgus, vermin, riffraff, ragtag and bobtail, small fry, commoner, one of the people, democrat, plebeian, republican, proletary, proletaire, roturier, Mr, Snooks, bourgeois, epicier, Philistine, cockney, grisette, demimonde, peasant, countryman, boor, carle, churl, villain, villein, terrae filius, son of the land, serf, kern, tyke, tike, chuff, ryot, fellah, longshoreman, swain, clown, hind, clod, clodhopper, hobnail, yokel, bog-trotter, bumpkin, plowman, plowboy, rustic, hayseed, lunkhead, chaw-bacon, tiller of the soil, hewers of wood and drawers of water, groundling, gaffer, loon, put, cub, Tony Lumpkin, looby, rube, lout, underling, gamin, rough, pot- wallopper, slubberdegullion, vulgar fellow, low fellow, cad, curmudgeon, upstart, parvenu, skipjack, nobody, nobody one knows, hesterni quirites, pessoribus orti, bourgeois gentilhomme, novus homo, snob, gent, mushroom, no one knows who, adventurer, man of straw, beggar, gaberlunzie, muckworm, mudlark, sans culotte, raff, tatterdemalion, caitiff, ragamuffin, Pariah, outcast of society, tramp, vagabond, bezonian, panhandler, sundowner, chiffonnier, Cinderella, cinderwench, scrub, jade, gossoon, Goth, Vandal, Hottentot, Zulu, savage, barbarian, Yahoo, unlicked cub, rough diamond, barbarousness, barbarism, boeotia, ignoble, common, mean, low, base, vile, sorry, scrubby, beggarly, below par, no great shakes, homely, homespun, vulgar, low-minded, snobbish, plebeian, proletarian, of low parentage, of low origin, of low extraction, of mean parentage, of mean origin, of mean extraction, lowborn, baseborn, earthborn, mushroom, dunghill, risen from the ranks, unknown to fame, obscure, untitled, rustic, uncivilized, loutish, boorish, clownish, churlish, brutish, raffish, rude, unlicked, barbarous, barbarian, barbaric, barbaresque, cockney, born within sound of Bow bells, underling, menial, subaltern, below the salt, dummodo sit dives barbarus ipse placet.

VB  hold in disrespect, misprize, disregard, slight, trifle with, set at naught, pass by, push aside, overlook, turn one's back upon, laugh in one's sleeve, be disrespectful, be discourteous, treat with disrespect, set down, put down, browbeat, dishonor, desecrate, insult, affront, outrage, speak slightingly of, disparage, vilipend, vilify, call names, throw dirt, fling dirt, drag through the mud, point at, indulge in personalities, make mouths, make faces, bite the thumb, take by the beard, pluck by the beard, toss in a blanket, tar and feather, have in derision, hold in derision, deride, scoff, barrack, sneer, laugh at, snigger, ridicule, gibe, mock, jeer, hiss, hoot, taunt, twit, niggle, gleek, gird, flout, fleer, roast, turn into ridicule, burlesque, laugh to scorn, smoke, fool, make game of, make a fool of, make an April fool of, play a practical joke, lead one a dance, run the rig upon, have a fling at, scout, mob.

VB  disapprove, dislike, lament, object to, take exception to, be scandalized at, think ill of, view with disfavor, view with dark eyes, view with jaundiced eyes, nil admirari, disvalue, improbate, frown upon, look grave, bend the brows, knit the brows, shake the head at, shrug the shoulders, turn up the nose, look askance, look black upon, look with an evil eye, make a wry face, make a wry mouth at, set one's face against, dispraise, discommend, disparage, deprecate, speak ill of, not speak well of, condemn, blame, lay blame upon, cast blame upon, censure, fronder, reproach, pass censure on, reprobate, impugn, remonstrate, expostulate, recriminate, reprehend, chide, admonish, berate, betongue, bring to account, call to account, call over the coals, rake over the coals, call to order, take to task, reprove, lecture, bring to book, read a lesson, read a lecture to, rebuke, correct, reprimand, chastise, castigate, lash, blow up, trounce, trim, laver la tete, overhaul, give it one, give it one finely, gibbet, accuse, impeach, denounce, hold up to reprobation, hold up to execration, expose, brand, gibbet, stigmatize, show up, pull up, take up, cry 'shame' upon, be outspoken, raise a hue and cry against, execrate, exprobate, speak daggers, vituperate, abuse, abuse like a pickpocket, scold, rate, objurgate, upbraid, fall foul of, jaw, rail, rail at, rail in good set terms, bark at, anathematize, call names, call by hard names, call by ugly names, avile, revile, vilify, vilipend, bespatter, backbite, clapperclaw, rave against, thunder against, fulminate against, load with reproaches, exclaim against, protest against, inveigh against, declaim against, cry out against, raise one's voice against, decry, cry down, run down, frown down, clamor, hiss, hoot, mob, ostracize, blacklist, draw up a round robin, sign a round robin, animadvert upon, reflect upon, glance at, cast reflection, cast reproach, cast a slur upon, insinuate, damn with faint praise, hint a fault and hesitate dislike, not to be able to say much for, scoff at, point at, twit, taunt, sneer at, satirize, lampoon, defame, depreciate, find fault with, criticize, cut up, pull to pieces, pick to pieces, take exception, cavil, peck at, nibble at, carp at, be censorious, pick holes, pick a hole, pick a hole in one's coat, make a fuss about, take down, take down a peg, set down, snub, snap one up, give a rap on the knuckles, throw a stone at, throw a stone in one's garden, have a fling, have a snap at, have words with, pluck a crow with, give one a wipe, give one a lick with the rough side of the tongue, incur blame, excite disapprobation, scandalize, shock, revolt, get a bad name, forfeit one's good opinion, be under a cloud, come under the ferule, bring a hornet's nest about one's ears, take blame, stand corrected, have to answer for.

lynch mob, mob rule