Then for the place where; where, I mean, I did encounter that obscene and most preposterous event, that draweth from my snow-white pen the ebon-coloured ink which here thou viewest, beholdest, surveyest, or seest.
There are no more uses of "preposterous" in the play.
Show samples from other sources
They can’t be seriously considering such a preposterous idea.
a preposterous attempt to turn back the pages of history