unthought-of vs unhoped-for

unthought-of and unhoped-for both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unthought-of	No	Yes	No	No
unhoped-for	No	Yes	No	No

As adjectives, unthought-of and unhoped-for are synonyms defined as:

unthought-of and unhoped-for: so unexpected as to have not been imagined

Other synonyms of unthought-of include unhoped, unthought.

unthought-of (adjective)	unhoped-for (adjective)
so unexpected as to have not been imagined	so unexpected as to have not been imagined