Extensive and Unplumbed

Extensive adjective - Having considerable extent.

Unplumbed and extensive are semantically related. In some cases you can use "Unplumbed" instead an adjective "Extensive".

Nearby Words: extend, extension, extensively, extensible, extender

Unplumbed adjective - Situated at or extending to great depth; too deep to have been sounded or plumbed.

Extensive and unplumbed are semantically related. Sometimes you can use "Extensive" instead an adjective "Unplumbed".