1. Someone with a habitually sullen or gloomy expression
   - sourpuss, picklepuss, pouter

Type of: persona non grata, unwelcome person

• oversimplify
• oversize
• oversized
• overskirt
• oversleep
• oversolicitous
• oversoul
• overspecialise
• overspecialize
• overspend
• overspill
• overspread
• overstate
• overstated
• overstatement
• overstay
• oversteer
• overstep
• overstock
• overstrain
• overstress
• overstretch
• overstrict
• overstrung
• overstuff