verb (used with object), un·said, un·say·ing.
Examples from the Web for unsay
Thus Foley massaged a deal with the first George Bush to unsay his 1988 pledge: "Read my lips- no new taxes."
You have only to unsay—tell me you have a right to demand it.'Evan Harrington, Complete|George Meredith
Only you did not mean quite what you said so too articulately, and you will unsay it, if you please, and unthink it near the elms.The Letters of Robert Browning and Elizabeth Barrett Barrett, Vol. 1 (of 2) 1845-1846|Robert Browning and Elizabeth Barrett Barrett
Then spake the wise Allfather and prayed Reidmar to unsay his word, and cease to desire the gold.The Story of Sigurd the Volsung|William Morris