Related Clues:

• Not decumbent
• Set upright
• Completely destroy
• Stiff-backed
• Not slouching
• Vertical
• Tool box item
• In a vertical position
• Like Cro-Magnon man
• Plane
• Build, as a building
• Like squirrels' ears
• Be straight
• Like an attentive dog's ears
• Build, as a skyscraper