'all futile' is correct and usable in written English.
You can use this phrase to indicate that something is not successful, for example: "His attempts to escape were all futile."
So even this over has gone for an excellent ten runs, it's all futile.
All futile, but the illusion of having solved successfully at least irritates Peter Cartwright.
All futile because it was possibly, during that longest, darkest night of my life, all too late.
He tried his crotchety best to summon his usual fury, writes Pat Forde on Yahoo.com, but it was all futile.
So what I'm aiming for is a completely new kind of interviewing, the polar opposite of that tired, cynical, stale, disdainful, exhausted, dated and, above all, futile "lying bastard" routine.
But all those futile seasons when being a Mets fan required real fortitude?
Elyot dismisses "all the futile moralists who try to make life unbearable".
He goes on, "All the futile moralists who try to make life unbearable.
Annie fell sick in 1850, with what seems to have been a form of tuberculosis, and her frantic parents spent months trying all the futile therapies that people had in the nineteenth century, not unlike the delaying actions of many contemporary cancer treatments.
The oh-so-dangerous twin genies of strong cryptography and surreptitious photography are long since out of the bottle, and all the futile demands and legislation in the world won't stuff them back in.
