1. a group of criminals who work together
2. a group of young people who spend time together, often causing trouble
3. a group of workers or people doing a job together

1. to join together as a group, especially to attack or oppose someone

Examples

• The police arrested members of a drug gang.
• A gang of teenagers was hanging around the mall.
• The construction gang worked all day on the road.
• I’m meeting up with the whole gang tonight.
• The kids ganged up on the new student.
• A gang of thieves robbed the bank.
• The work gang finished the project early.
• Don’t gang up against your little brother.