1.
If someone has an ~ disease, they cannot be cured of it.
He is suffering from an ~ skin disease.
ADJ
incurably
...youngsters who are disabled, or incurably ill.
ADV: ADV adj
2.
You can use ~ to indicate that someone has a particular quality or attitude and will not change.
Poor old William is an ~ romantic...
ADJ: ADJ n
incurably
I know you think I’m incurably nosey.
ADV: ADV adj