The word 'incurable' is an adjective, a word used to describe a noun as permanent, unable to be cured or changed.
part of speech
Adjective
What part of speech is thaw
The part of speech for oscillate is verb.
An adjective is a part of speech.
incurable
part of speech
The part of speech for this particular word is a noun.
what part of speech is beneath
adverb
what part of speech is work
The diesease she is dealing with is incurable.
Incurable cancer is a cancer that can't be cured.
the part of speech sashay is a averb
Did is a verb, and not is an adverb. Didn't is not any part of speech. It's a contraction of did and not.
The Incurable Tragedy was created in 2007.
The word speech is a noun.