vermeintlichen

In a sentence

• Die vermeintlichen Beweise erwiesen sich als falsch.

  The alleged evidence turned out to be false.

  Here, 'vermeintlichen' is used to describe the evidence as perceived or assumed to be true but not confirmed.

• Ich traf den vermeintlichen Gewinner des Wettbewerbs.

  I met the purported winner of the competition.

  In this context, 'vermeintlichen' implies that the person was thought to be the winner until further verification.

• Die vermeintlichen Vorteile der Methode wurden kritisiert.

  The supposed advantages of the method were criticized.

  Here, 'vermeintlichen' refers to the advantages that are assumed or believed to exist, but whose validity or effectiveness is in question.