German is different from other European languages because it does not take much of it roots from any other language. German derives the majority of its vocabulary from the ancient Germanic branch of the Indo-European language family.
For example, French has its roots in Latin and Greek; English language has its root in German and so on and so forth. The language that is closest to German is Dutch. German has become so popular that it is the 2nd most spoken language in the Europe. German is the official language in many other European countries. It is one of the most influential languages in the world.
The reason that the German language is much different than other languages in Europe is that more people speak it. German is the second most spoken language in Europe and is one that has a broad scope across the continent. Most of the other European languages are ones that stay native to the area where they originated from. Dutch is the closest to German of all the languages that are spoken in Europe.
The language has been influential in other countries throughout Europe and the world and that is because of the huge impact that it has had. Books are widely published throughout the world in the German language. Officially, German is the official language of six countries throughout Europe. It is recognized as a minor language in 13 other countries all throughout the world. It's major difference is that more people speak German than other languages across Europe.