The meaning of MOB is a large and disorderly crowd of people; especially : one bent on riotous or destructive action. How to use mob in a sentence. Synonym Discussion of Mob.

The American Mafia, [24][25][26] commonly referred to in North America as the Italian-American Mafia, the Mafia, or the Mob, [24][25][26] is a highly organized Italian-American criminal …

A mob is a large, disorganized, and often violent crowd of people. The inspectors watched a growing mob of demonstrators gathering.

A mob is an unruly and often violent group of people, especially one engaged in a riot or other lawless violence.Some mobs organize intentionally to engage in violence and destruction, but …

When birds or small animals mob a bigger or more frightening bird or animal that is hunting them, they attack it together and force it to go away.

M.O.B.: The Album, a 2008 album by ByrdGang.

Some common synonyms of mob are crowd, crush, horde, and throng. While all these words mean "an assembled multitude," mob implies a disorderly crowd with the potential for violence.