The outside world's perception of him as being mad is of his own design. To have Hamlet actually become insane would be to break down a central idea of the play. Or is he merely angry? Or does he place himself so dangerously closeto the line between sanity and insanity that he crosses it without evenrealizing it?
The madness of Hamlet is often disputed, for good reason, as his behavior is frequently baffling throughout the play. Additionally, shortly after to acting insane towards Polonius and calling him a fishmonger, he suddenly acts sane when Guildenstern and Rosencrantz walk in.
Hamlet s antic disposition may have caused Although his language seems to be wild, there is always a purpose or hidden meaning in his insane speech. Hamlet adopts a plan of feigned madness as a way of confusing his enemies and hiding his ultimate intentions of revenge.
What is madness? He particularly acts irrationally around Polonius and Ophelia who are appalled by his behavior.