I would go with Unarguably.

Your situation is unarguably more severe than mine.

Or, perhaps, Unquestionably.

Your situation is unquestionably more severe than mine.

I think I'd stick with unarguably, though; that sounds better to my ears.

I would go with Unarguably (or inarguably, depending on your personal preference).

Your situation is unarguably more severe than mine.

Or, perhaps, Unquestionably.

Your situation is unquestionably more severe than mine.

I think I'd stick with unarguably, though; that sounds better to my ears.