noun
- the sloping surfaces of mountains
Usage: plural form of mountainside
Examples
- The mountainsides were covered with snow in winter.
- Wildflowers bloomed on the mountainsides in spring.
- The hikers carefully descended the steep mountainsides.
- Houses were built on the mountainsides overlooking the valley.
- Avalanches can occur on unstable mountainsides.
- The mountainsides were scarred by the recent forest fire.