1. to join together to form a single unit or group
2. to come together for a common purpose or cause

Examples

• The two companies decided to unite and form a larger corporation.
• Citizens united to protest the new law.
• The bridge will unite the two sides of the city.
• Different political parties united against the proposal.
• The coach tried to unite the team before the championship game.
• Marriage unites two people in a lifelong bond.
• The common goal united people from different backgrounds.