1. Being in such a position that top and bottom are reversed
   "an upside-down cake"
   - inverted

1. In an inverted manner
   "the box was lying on the floor upside down"

See also: turned

Encyclopedia: Upside down

• arctophile
• Arctostaphylos
• Arctostaphylos alpina
• Arctostaphylos andersonii
• Arctostaphylos manzanita
• Arctostaphylos tomentosa
• Arctostaphylos uva-ursi
• Arctotis
• Arctotis stoechadifolia
• Arctotis venusta
• Arcturus
• arcuate
• arcuate artery
• arcuate artery of the kidney
• arcuate vein of the kidney
• arcus
• arcus senilis
• arcus zygomaticus
• ARDA
• Ardea
• Ardea herodius
• Ardea occidentalis
• ardeb
• Ardeidae
• ardency