I like this word. I don’t know why…perhaps because it is one of those words that seems to express itself in speaking of it. The word means ‘anxiety’—a kind of generalized anxiety with being alive.
 
The existential philosophers talked a lot about angst. In fact, we normally associate angst with existentialism—existential angst. The word is usually associated with a negative mood such as depression or what Thomas Merton characterized as "the dark night