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

Derived forms: nail-biters

• overenthusiastic
• overestimate
• overestimation
• overexcite
• overexcited
• overexert
• overexert oneself
• overexertion
• overexploit
• overexploitation
• overexpose
• overexposure
• overextend
• overfamiliar
• overfamiliarity
• overfatigue
• overfed
• overfeed
• overfeeding
• overfill
• overfish
• overflight
• overflow
• overflow incontinence
• overflowing