hopeless vs lost

hopeless is not a noun while lost is a noun.

Word	Noun	Adjective	Verb	Adverb
hopeless	No	Yes	No	No
lost	Yes	Yes	No	No

hopeless (noun)	lost (noun)
	people who are destined to die soon

hopeless (adjective)	lost (adjective)
without hope because there seems to be no possibility of comfort or success	no longer in your possession or control; unable to be found or recovered
(informal to emphasize how bad it is) beyond hope of management or reform	spiritually or physically doomed or destroyed
certain to fail	not gained or won
of a person unable to do something skillfully	unable to function; without help
	not caught with the senses or the mind
	perplexed by many conflicting situations or statements; filled with bewilderment
	deeply absorbed in thought
	having lost your bearings; confused as to time or place or personal identity
	cannot be recovered or regained