Entry 6 senses · 4 variants Webster, 1913 Mob /mŏb/ · IPA /mɑb/ n. v. t. n. v. t. 01 n. A mobcap. 1. A mobcap. 02 v. t. To wrap up in, or cover with, a cowl. 1. To wrap up in, or cover with, a cowl.[R.] 03 n. The lower classes of a community; the populace, or the lowest part of it. 1. The lower classes of a community; the populace, or the lowest part of it. “A cluster of mob were making themselves merry with their betters.” — Addison. 2. A throng; a rabble; esp., an unlawful or riotous assembly; a disorderly crowd. “The mob of gentlemen who wrote with ease.” — Pope. “Had every Athenian citizen been a Socrates, every Athenian assembly would still have been a mob.” — Madison. “Confused by brainless mobs.” — Tennyson. 3. A criminal organization or organized criminal gangs, collectively; the Mafia; the syndicate; as, he was a lawyer for the mob. Phrases & compounds Mob law — law administered by the mob; lynch law. Swell mob — well dressed thieves and swindlers, regarded collectively. 04 v. t. To crowd about, as a mob, and attack or annoy; as, to mob a house or a person. imp. & p. p. Mobbed; p. pr. & vb. n. Mobbing 1. To crowd about, as a mob, and attack or annoy; as, to mob a house or a person.