1. Having four sides
   - quadrilateral

See also: many-sided, multilateral

• repackage
• repaint
• repair
• repair shed
• repair shop
• repairable
• repairer
• repairman
• repand
• reparable
• reparation
• reparative
• repartee
• repast
• repatriable
• repatriate
• repatriation
• repay
• repayable
• repayment
• repayment rate
• repeal
• repealable
• repeat
• repeatable