Impassable

Describing a route, barrier, or terrain that is impossible or extremely difficult to traverse or pass through. It signifies an obstacle that prevents movement, access, or passage. impassable conditions can be caused by physical obstructions like dense forests, formidable mountains, or deep waters. They can also stem from hazardous weather, such as blizzards or floods, rendering the environment unsafe for travel. The term conveys a sense of complete obstruction, hindering progress and isolating locations. The degree of difficulty or physical challenge could render a route or terrain impassable to most, but may be possible to some expert group such as experienced mountaineers.

Impassable meaning with examples

• The heavy snowfall had made the mountain pass impassable, forcing the expedition to turn back. The sheer accumulation of snow and ice rendered the path too treacherous for safe passage, isolating the village beyond. Despite their advanced equipment, the conditions posed an insurmountable challenge. The team reluctantly abandoned their objective, marking their progress and return for when the snow abates.
• Following the storm, the flooded river rendered the bridge impassable, cutting off the town from essential supplies. The raging waters had risen high above the bridge deck and swept away road access, preventing any vehicles from crossing. Emergency services struggled to reach the affected areas due to the road being blocked. Alternative routes were sought. The road will require extensive repairs before the road is again passable.
• The thick, dense jungle was impassable without expert guidance and specialized equipment, making the search for the lost explorer exceedingly challenging. The undergrowth completely concealed all trails, and the terrain was filled with ravines and quicksand. Attempting to venture further would result in dangerous conditions. Only highly skilled explorers stood a chance of navigating the maze-like environment and finding any sign of the explorer.
• During the war, the heavily fortified enemy lines proved impassable, resulting in a stalemate on the battlefield. The defenses consisted of intricate trench systems, barbed wire, and constant artillery fire, making any direct assault suicidal. Commanders were forced to seek alternative strategies to break the deadlock. The impassable barrier restricted troop movement and tactical maneuvers.