What adjective would best describe magwitch?

That's a great question! There's no single perfect adjective for Magwitch, as his character is complex and multifaceted. Here are a few options, depending on which aspect you want to highlight:

For his criminal past and harsh exterior:

* Ruthless: He is a hardened criminal with a history of violence.

* Ferocious: His actions are often brutal and unforgiving.

* Unrepentant: He shows little remorse for his past crimes.

* Dangerous: He poses a physical threat to those around him.

For his hidden depths and capacity for love:

* Loyal: He is fiercely loyal to Pip, even when he is a fugitive.

* Generous: Despite his past, he is willing to sacrifice everything for Pip's happiness.

* Compassionate: He shows surprising empathy and tenderness, particularly for Pip.

* Transformative: He undergoes a significant inner change, shedding his criminal past.

For his overall impact on Pip's life:

* Influential: He plays a crucial role in shaping Pip's character and destiny.

* Tragic: His life is marked by hardship, loss, and ultimately, death.

* Compelling: He is a fascinating and unforgettable character with a complex history.

The best adjective to describe Magwitch will depend on your individual interpretation of his character.