If not torn down, they will form an impassable barrier to loving unity.

They dashed on, but when within 25 yards of the foe they were brought to a halt by an impassable barrier of felled trees.

His report of an impassable barrier forestalled further visitation to the area for two hundred years.

Waterfalls about two miles from the stream mouth apparently are not an impassable barrier for migrating trout.

The cavalry were jammed together, unable to advance, and the high banks on either side seemed to offer an impassable barrier to artillery.

First came impassable roads and a fallen tree that knocked out the power for 48 hours.

It was where emergency services and others went first to get urgent messages out: cancelled events, closed schools, impassable roads, sewage contamination.

Or, more accurately, impassable roads, one-way streets and other odd routes.

In our cities and on our roads the drainage systems are overwhelmed when rain falls so hard and this has led to awful driving conditions and impassable roads.

Fifty communities were isolated, with at least thirteen of them due to impassable roads.

There was no electricity, no running water; the only track in and out was virtually impassable.

But that morning the route was virtually impassable.

The sandy turns became virtually impassable, and the event was stopped after 75 of 78 laps.

He travelled during the summer, even though traveling during this time was extremely strenuous and paths virtually impassable.

The sandy turns at the ends of the track became virtually impassable with stuck and stalled cars.