1. the quality or state of being vertical; upright position or orientation

Examples

• The verticalness of the tower made it visible from miles away.
• She adjusted the picture frame to ensure perfect verticalness.
• The architect emphasized the verticalness of the building’s design.
• The verticalness of the cliff face made climbing extremely difficult.
• Engineers checked the verticalness of the support beams.
• The verticalness of her posture showed confidence and poise.