Landfill and Toxic waste dump

Landfill noun - A place where discarded materials (as trash) are dumped.

Toxic waste dump and landfill are semantically related In some cases you can use "Toxic waste dump" instead a noun "Landfill".

Toxic waste dump noun - A location where toxic wastes can be or have been disposed of (often illegally).

Landfill and toxic waste dump are semantically related in garbage dump topic. You can use "Landfill" instead a noun phrase "Toxic waste dump", if it concerns topics such as worthless material.