Definitions for: Unsay

[v] take back what one has said; "He swallowed his words"

Webster (1913) Definition: Un*say, v. t. [1st pref. un- + say.]
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.

Synonyms: swallow, take back, withdraw

See Also: renounce, repudiate