impassable
/ɪmˈpɑː.sə.bəl/ adjective C2- Incapable of being passed over, crossed, or negotiated.
- Incapable of being overcome or surmounted.
- Not usable as legal tender.
From the library
“Grenoble and Lyons are faithful cities, and will oppose to him an impassable barrier.”
“Yet if the lady is correct in saying that the flooring and walls are sound, and that the door, window, and chimney are impassable, then her sister must have been undoubtedly alone when she met her mysterious end.”
They are really islands cut off on all sides by the impassable mire, which has crawled round them in the course of years.
Those who would, as it were, force a passage to his heart, found an impassable barrier.
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