1. On or of upper floors of a building
   - upstairs

Encyclopedia: Upstair

• debtor
• debug
• debugger
• debunk
• debunking
• Debussy
• debut
• debutant
• debutante
• dec
• Dec 24
• Dec 25
• deca-
• decadal
• decade
• decadence
• decadency
• decadent
• Decadron
• decaf
• decaffeinate
• decaffeinated coffee
• decagon
• decagonal
• decagram