versauern

== German == === Pronunciation === === Verb === versauern (weak, third-person singular present versauert, past tense versauerte, past participle versauert, auxiliary haben or sein) to go stale to acidify to stagnate ==== Conjugation ==== ==== Derived terms ==== Versauern Versauerung versauert === Further reading === “versauern” in Uni Leipzig: Wortschatz-Lexikon “versauern” in Deutsches Wörterbuch von Jacob und Wilhelm Grimm, 16 vols., Leipzig 1854–1961. “versauern”, in Digitales Wörterbuch der deutschen Sprache‎[1] (in German) “versauern” in Duden online