Bastioned and Built-up

Bastioned adjective - Secured with bastions or fortifications.

Built-up and bastioned are semantically related. In some cases you can use "Built-up" instead an adjective "Bastioned".

Built-up adjective - Peopled with settlers.

Bastioned and built-up are semantically related. Sometimes you can use "Bastioned" instead an adjective phrase "Built-up".