Those cliffs are unclimbable.
Source: wiktionary
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3 total sentences available.
Those cliffs are unclimbable.
Source: wiktionary
The base of each [floodlight] tower forms an outdoor-type sub-station compound with a 7ft unclimbable fence which houses the extra high-voltage ring main switchgear, the transformer and the medium voltage switchgear.
Source: wiktionary
Yet every world should have at least one unclimbable mountain.
Source: wiktionary
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.