unhoped-for vs unthought-of

unhoped-for and unthought-of both are adjectives.

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

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

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

Other synonyms of unhoped-for include unhoped, unthought.

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