1. a large flat area of land that is higher than the land around it
2. a period when something remains at the same level without increasing or decreasing

1. to reach a stable level after a period of growth or change

Examples

• The Colorado Plateau covers parts of four states.
• We hiked across the rocky plateau for hours.
• Her weight loss plateaued after six months.
• Sales have plateaued at around 10,000 units per month.
• The medication helped his blood pressure plateau at a safe level.
• After rapid growth, the company’s profits began to plateau.
• The mesa is a type of plateau with steep sides.