cliffiest
/ˈklɪfiɪst/
adjective
- Most like a cliff; having the most steep rock faces or being the most rugged and sheer.
- This is the cliffiest part of the trail, with a sheer drop on one side.
- Among all the islands, that one has the cliffiest shoreline.
- The cliffiest section of the canyon is nearly impossible to traverse without ropes.