1. The evening before All Saints' Day; often devoted to pranks played by young people
   - Halloween, Hallowe'en

Type of: day

• overspecialise
• overspecialize
• overspend
• overspill
• overspread
• overstate
• overstated
• overstatement
• overstay
• oversteer
• overstep
• overstock
• overstrain
• overstress
• overstretch
• overstrict
• overstrung
• overstuff
• overstuffed
• overstuffed chair
• oversubscribe
• oversubscribed
• oversupply
• oversuspicious
• overt