Как по Английски будет unbefestigt

adjective

Not fixed in a definite place or position; unfastened or loose.

Примеры использования:

The green cloth cover had become unfixed in a dozen places

adjective

Not working for or belonging to a particular body or organization.

Примеры использования:

Local people unattached to any organization

adjective

Not fortified against attack.

Примеры использования:

There seems to have been an unfortified village on the site

verb

To remove the paving from (a street, etc.).

verb

To remove the paving from (a street, etc.).

verb

To dislodge from a roost or perch. also figurative: to dislodge or force out of a place, to drive out or away.

adjective

(of a road or path) not provided with a durable upper layer.

Примеры использования:

Impassable stretches developed in unsurfaced roads by mid-winter