Meanings
supposed, alleged
imaginary
1932, Erich Mühsam, Die Befreiung der Gesellschaft vom Staat, in: Erich Mühsam: Prosaschriften II, Verlag europäische ideen Berlin (1978), page 256We dispute the possibility and also the desirability of the individual that is separated from the whole, whose imaginary freedom could be nothing else but isolation, with the consequence of downfall in the social vacuum.
so supposed; wrongly supposed alleged; putative
Der vermeintliche VW war in Wirklichkeit ein Audi.
Examples
GermanEnglish
Vermeintliche Freunde haben auf mich geschossen.I was shot at by people I thought were my friends.
Jede vermeintliche Verschwörungstheorie hat sich leider als Realität herausgestellt.Unfortunately, every so-called conspiracy theory turned out to be true.