1. Turned up on end
   "The upended chair legs stuck out awkwardly"

1. Set, turn, or stand on end
   "upend the box and empty the contents"
    
2. Become turned or set on end
   "the airplanes upended"

See also: perpendicular, vertical

Type of: lay, overturn, place, pose, position, put, set, tip over, tump over, turn over

Encyclopedia: Upend