Is Unfortunately an Adjective?

Happening through bad luck, or because of some unfortunate event.

Is unfortunately an adverb or adjective?

Unfortunately is the adverb form of unfortunate — so unfortunately means "unluckily." If someone asks you whether you have to go to work tomorrow when you'd rather go to the beach, you might answer, "Unfortunately." You might also use unfortunately when you give someone bad news, as in "Unfortunately, we cannot accept ...

What is the adjective form of unfortunately?

unfortunate. not favored by fortune. marked or accompanied by or resulting in misfortune.