Collins COBUILD Advanced Learner's English Dictionary - lynch mob

(lynch mobs) 1. A lynch mob is an angry crowd of people who want to kill someone without a trial, because they believe that person has committed a crime. N-COUNT 2. You can refer to a group of people as a lynch mob if they are very angry with someone because they believe that person has done something bad or wrong. Something approaching a lynch mob has been gathering against the Chancellor for even daring to consider higher interest rates. N-COUNT