un·say /-ˈse, ||ˈsɛ/
Un·say v. t. To recant or recall, as what has been said; to refract; to take back again; to make as if not said.
You can say and unsay things at pleasure. --Goldsmith.
v : take back what one has said; "He swallowed his words" [syn:
swallow, take back, withdraw]