Obstruction and Unseen area

Obstruction noun - Something that makes movement or progress difficult.

Unseen area and obstruction are semantically related. In some cases you can use "Unseen area" instead a noun "Obstruction".

Nearby Words: obstruct, obstructed, obstructive, obstructing, obstructionist

Obstruction and unseen area are semantically related. You can use "Obstruction" instead a noun phrase "Unseen area".