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Impassable has 5 synonyms. The top synonyms for impassable are unsurmountable, unpassable, unnavigable, untraversable, unclimbable. Browse the full list below.
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| Random | DefinitionA common synonym for impassable is unsurmountable. Other synonyms include unpassable, unnavigable, untraversable, unclimbable.
Impassable has 5 synonyms listed on Thesaurasize.
(adj): incapable of being passed, crossed, negotiated or overcome
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