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Freebase(0.00 / 0 votes)Rate this definition: Weltschmerz is a term coined by the German author Jean Paul Richter and denotes the kind of feeling experienced by someone who understands that physical reality can never satisfy the demands of the mind.
Definition of 'welt'. welt (welt ) A welt is a mark which is made on someone's skin, usually by a blow from something such as a whip or sword. He had a reddening welt on his temple and his nose was bleeding. Synonyms: mark, scar, ridge, streak More Synonyms of welt. Word Frequency.