The unclimbability of the mountain deterred even the most experienced mountaineers.

The old stone tower looked unclimbable, its crumbling walls offering no handholds.

The unclimbed peak loomed above us, daring any adventurer to be the first to reach its summit.

After realizing the ropes were too worn, she unclimbed the steep wall and returned to the base camp.

The cliff's unclimbableness discouraged even the most experienced climbers from attempting it.

They asked him to unclimb the roof after the wind loosened the tiles.

He unclimbs the cliff face carefully when the rope shows any wear.

After checking the rope, he cautiously began unclimbing the cliff face to reach the ledge.

The unclimbing hikers sat by the trail, preferring to enjoy the view rather than scale the steep rocks.

The fortress wall rose unclimbably high, discouraging any would-be invaders.