Iron curtain and Lowness

Iron curtain noun - An impenetrable barrier to communication or information especially as imposed by rigid censorship and secrecy; used by Winston Churchill in 1946 to describe the demarcation between democratic and communist countries.

Lowness and iron curtain are semantically related. In some cases you can use "Lowness" instead a noun phrase "Iron curtain".

Lowness noun - The quality or state of lacking refinement or good taste.

Iron curtain and lowness are semantically related. Sometimes you can use "Iron curtain" instead a noun "Lowness".