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[[quoteright:271:[[Anime/NeonGenesisEvangelion http://static.tvtropes.org/pmwiki/pub/images/Shinji_folding_chair_363.JPG]]]]
[[caption-width-right:271:He's leaning because the weight of the world is on his shoulders.]]

->''"What a piece of work is man! How noble in reason! how infinite in faculties! in form and moving, how express and admirable! in action how like an angel! in apprehension, how like a god! the beauty of the world! the paragon of animals! And yet, to me, what is this quintessence of dust? Man delights not me, nor Woman neither."''
-->-- Theatre/{{Hamlet}}

Angst, literally German for "fear" (and "anxiety", also Dutch, Danish and Norwegian for "fear"), has become a flexible literary term which can be used to mean any number of things. This is only appropriate for a word that's OlderThanPrint at least, going back to the eighth century, if not further.

In {{literature}}, the angst usually referred to is existential angst, exemplified by questions such as "Who am I?" and "Why am I here?" UsefulNotes/{{Existentialism}} as a literary movement emphasizes the search for meaning as the most important source of tension in a person's life, and by extension, in a protagonist's life. This type of angst is best exemplified by writers such as Kierkegaard, Sartre, Kafka, Camus and many others. The Danish philosopher Søren Kirkegaard (1813-1855) might be the trope or more like concept codifier. Angst defined by him is fear of failure, fear of making the wrong choices, and the fear of something that you are unsure of the outcome of. It comes with personal freedom and responsibility in a world much greater than you.

In classical music, angst is strongly associated with Jewish European composers; Music/GustavMahler is the UrExample. In modern music, angst is strongly associated with alternative music movements such as metal. Sometimes the word "emo" is used interchangeably, although just about every musical genre has examples of angst. Elements of the blues in classic rock have their own unique form of angst.

In FanFic, angst is often used as an umbrella term for any kind of DarkFic. Like all fanfic, it adheres very strongly to SturgeonsLaw. For every brilliant execution there are ninety six examples that fall flat on their face, and another three that are merely mediocre.

Compare {{Wangst}}, where the reader or viewer comes to hate the angsty character for being too "whiny" or "wanky", and AngstWhatAngst, where a situation that might be expected to leave a character grieving or upset leaves no impression on them whatsoever. See also DeusAngstMachina and TrueArtIsAngsty. For the feelings that angst is generally meant to invoke, see EmotionalTorque. See AngstDissonance for when the audience doesn't sympathize with the character's angst.