1. having the shape of a pyramid; tapering to a point at the top
2. arranged or organized in a hierarchical structure resembling a pyramid

Examples

• The ancient temple had a pyramidical roof that pointed toward the sky.
• The mountain’s pyramidical peak was visible from miles away.
• The company’s pyramidical structure placed the CEO at the top.
• The crystals formed pyramidical shapes as they cooled.
• The architect designed a pyramidical monument for the city center.
• The organization chart showed a pyramidical arrangement of departments.