The phrase "frankly impossible" is correct and usable in written English.
It can be used to express a candid opinion about something that cannot be done or achieved.
Example: "Given the current circumstances, completing the project by next week is frankly impossible."
Alternatives: "bluntly impossible" or "outrightly impossible".
"That's way above the healthy average and, quite frankly, impossible to sustain".
Some of the positions in the home practice handbook they give me look frankly impossible.
It isn't just that Obama failed to live up to the (frankly impossible) standard set by his 2008 campaign and the media adoration that accompanied it.
But Peter Koehler, Nike's global counsel for brand and litigation, told me that "counting the number of counterfeits is frankly impossible".
But used widely, such connections could be problematic.Air-safety authorities worry that gadgets that emit electromagnetic radiation can, in theory, induce electric currents in any other piece of electronic equipment nearby that's poorly shielded or inadequately maintained.In truth, all the electronic gear in a modern aircraft is so heavily shielded that such interference is frankly impossible.
It is frankly impossible to keep up with all the humanitarian awards Angelina has been given in recent years, but they include the Academy's honorary Oscar for charity work, a gong from the UN Refugee Agency, and the International Rescue Committee's freedom award.
On one talkshow this morning, Anne Diamond claimed that "we should think about the good things about Michael, not the bad", which is, quite frankly, pretty impossible when looking at any photo of the increasingly disfigured singer.
We're coming to the end of the nine months the council gave us to raise £750,000, which was frankly an impossible sum of money which we were never going to get from collecting tins or benefit gigs.
Picking the best game out of the match-ups between Brazil, The Ivory Coast and Portugal is, frankly, an impossible task.
It was almost impossible, frankly, to imagine "Dirty Blonde" without her.
Speaking to reporters later outside the Council's chambers, Sir Mark said, "Frankly, it is impossible to understand why China and Russia felt it necessary to veto this text".
