资料来源 : Webster's Revised Unabridged Dictionary (1913)

Weltschmertz \Welt"schmertz`\, n. [G., fr. welt world + schmertz
   pain. See {World}; {Smart}, v. i.]
   Sorrow or sadness over the present or future evils or woes of
   the world in general; sentimental pessimism.