Fortress and Outwork

Fortress noun - A structure or place from which one can resist attack.

Outwork and fortress are semantically related In some cases you can use "Outwork" instead a noun "Fortress".

Nearby Word: fort

Outwork noun - Subsidiary defensive structure lying outside the main fortified area.

Fortress and outwork are semantically related in fortification topic. You can use "Fortress" instead a noun "Outwork".

Nearby Words: outworker, outworked, outworking