, defined as all
West Germanic varieties using
Standard German as their literary language: As a technical term, the "high" in High German is a geographical reference to the group of dialects that forms "High German" (i.e., "Highland" German), out of which developed
Standard German,
Yiddish and
Luxembourgish. It refers to the
Central Uplands (
Mittelgebirge) and
Alpine areas of central and southern Germany; it also includes Luxembourg, Austria, Liechtenstein, and most of Switzerland. This is opposed to
Low German, which is spoken in the lowlands and along the flat sea coasts of the
North German Plain. High German can be subdivided into
Upper German (
Oberdeutsch) and
Central or Middle German (
Mitteldeutsch, this includes
Luxembourgish, which itself is now a
standard language). High German varieties are distinguished from other West Germanic varieties in that they took part in the
High German consonant shift () to various degrees. To see this, compare the following: In the southernmost
High Alemannic dialects, there is a further shift:
Sack (like English/Low German "sack/Sack") is pronounced ( to ). ==History==