as yet
Up to the present.
As yet, we have not received the letter you sent us.
ADJ.
all, bottom, concrete, contrary, corporate, finished, harder, incredible
The project isn't finished yet, but we're making good progress on it.
VERB + YET
arrived, begun, blew, book, decided, doing, hands, hasn't
The book hasn't arrived yet, so I'll start reading something else this weekend.
PREP.
in, out
We haven't figured out the details yet in terms of what happens next.