1. A nervous, exciting, or uncomfortable situation
   - nail biter

Derived forms: nail-biters

• reparable
• reparation
• reparative
• repartee
• repast
• repatriable
• repatriate
• repatriation
• repay
• repayable
• repayment
• repayment rate
• repeal
• repealable
• repeat
• repeatable
• repeated
• repeatedly
• repeater
• repeating
• repeating decimal
• repeating firearm
• repel
• repellant
• repellent