Weltschmerz

And in this respect [Ludwig] Uhland presents a marked and useful contrast to the lackadaisical, sentimental, Weltschmerz school, the poets of which trade on their own pretended misery, and, cunningly enough, suggest that their poems must be touching and true in proportion as the authors set themselves forth as peculiarly skilled in bitterness of heart and badness of life.

Source: wiktionary

[page 118] It speaks well for the general healthiness of the English nation that we have no words corresponding to ‘Weltschmerz’ or ‘Ennui’. The ordinary Englishman experiences neither of these things. […] [page 119] Weltschmerz is a species of disease, a sort of spiritual measles—or to give a more technical diagnosis, it is the revolt of a young soul against the stone and iron of existence. […] ‘Ennui’ only attacks people either of hopeless incapacity or incurable laziness. Weltschmerz on the other hand is a positive, restless, state, a state of protest against the nature of things.

Source: wiktionary

The artificial woe of the ancient armorist, whose days were a perpetual honeyed despair and his nights one long lachrymose vigil, is an extinct literary tradition; but a new, a different, and, alas! a more real sadness has taken its place—the modern world-sadness, the Weltschmerz, which infects all we do and are, not excepting our love-making— […]

Source: wiktionary

Here we have it at once, blended though it may be with the new elements of purging humour and all-embracing Weltschmerz, in [William] Shakespeare's Hamlet.

Source: wiktionary