1. having a zigzag pattern of sharp turns that reverse direction, especially describing roads or trails on steep terrain

Examples

• The switchbacked mountain road made the drive slow but scenic.
• Hikers followed the switchbacked trail up the steep canyon wall.
• The switchbacked highway carved through the rocky hillside.
• Engineers designed a switchbacked route to reduce the grade of the climb.
• The switchbacked path allowed vehicles to ascend the mountain safely.
• Cyclists struggled with the switchbacked sections of the mountain pass.