unnavigable Definition

impassable, unpassable, navigable, impassible, inaccessible, treacherous, unusable, pathless, unseaworthy, impenetrable, muddy, crossable, marshy, traversable, unmanageable, labyrinthian, undistinguishable, inhospitable, passable, landlocked, turbid, intercoastal, desolate, circuitous, swamp, uninteresting, uninhabited, silted, clogged, submerged, embanked, unchartered, unmapped, wadable, inviable, icebound, uncharted, diked, untraveled, unuseable, unsalable, dammed, deltaic, overloaded, estuarial, unbridged, unsearchable, watery, perilous, unreachable, uncultivable, unmarketable, untraversable, infeasible, waterlogged, unclimbable, unbreathable, submersed, unploughed, tsangpo, jumbled, graspable, occluded, dismissible, uninviting, manmade, swimmable, unfeasible, riverine, congested, swampy, twilit, bottlenecked, escapable, bridgeless, cluttered, masterless, mazelike, assailable, mucky, ungovernable, metalled, confusing, uneconomical, jungly, oligotrophic, serpentine, conquerable, unfertile, unreadable, disjunct, lightless, gridlocked, convoluted, sinkage, barren, tangled, shoreward, fogbound, interconnected,