unsaying

Then all the dead opened their cold palms and released the snow; slow, slant, silent, a huge unsaying, it fell, torn language; settled, the world to be locked, local; unseen, fervent earthbound bees around a queen.

'Snow' by Carol Ann Duffy 2010

I think a better example to be used for saying things and then unsaying them, and specifically to Joe Q, would be his Rawhide Kid being Gay comments, where he said Gay heroes had to be in Max books, and then tried to un-say it almost a year later... but instead of admitting he was taking back what he said, just denied that he'd ever said it.

Cronin Theory of Comics – Don’t Make Guarantees You Can’t Guarantee | Comics Should Be Good! @ Comic Book Resources 2008

As we have seen above, while there do occur forms of expression that are contradictory, the contradiction is often removed by the device of “unsaying” or canceling out, which propels the discourse into a non-discursive realm.

Mysticism Gellman, Jerome 2005

Having first, therefore, laid violent hands on the horses, for whose escape from the stable no place but the window was left open, he next applied himself to his sister; softened and soothed her, by unsaying all he had said, and by assertions directly contrary to those which had incensed her.

The History of Tom Jones, a Foundling 2004

As he spoke; the poor expectant husband and father saw at a glance that his brilliant hopes were to be dashed to the ground and that his visitor was now there for the purpose of unsaying what on his former visit he had said.

Barchester Towers 2004

The moral interest of the fable, which is so powerfully sustained by the sufferings and endurance of Prometheus, would be annihilated if we could conceive of him as unsaying his high language and quailing before his successful and perfidious adversary.

The Complete Poetical Works of Percy Bysshe Shelley 2003

Bastile, and I heavily walked up-stairs unsaying every word I had said in going down them.

The Illustrated London Reading Book Various

Having first, therefore, laid violent hands on the horses, for whose escape from the stable no place but the window was left open, he next applied himself to his sister; softened and soothed her, by unsaying all he had said, and by assertions directly contrary to those which had incensed her.

II. The Character of Mrs. Western. Book VI 1917

Mechanical as the notes were, yet so true in tune to nature were they chanted, that in one moment they overthrew all my systematic reasonings upon the Bastille; and I heavily walk’d up-stairs, unsaying every word I had said in going down them.

41. The Passport. The Hotel at Paris 1917

I was even rather touched by memory of his insistence last night on another glass of that water which just might give him typhoid; rather touched by memory of his unsaying that he "never" touched alcohol -- he who, in point of fact, had to be always gambling on something or other.

James Pethel 1915