1. the quality or condition of having a sharp incline or slope
2. the quality of being excessive or unreasonable in amount
Usage: often used with prices or costs

Examples

• The steepness of the mountain trail made it difficult for beginners.
• We had to use ropes because of the cliff’s steepness.
• The steepness of the roof required special safety equipment.
• Many customers complained about the steepness of the new prices.
• The steepness of the learning curve surprised new students.
• The road’s steepness made driving dangerous in winter.
• She was shocked by the steepness of the hotel rates.