unauthenticates

Verb

unauthenticate (third-person singular simple present unauthenticates, present participle unauthenticating, simple past and past participle unauthenticated)

1. (transitive) To refuse to authenticate; to render inauthentic.
   • But we may be more certain of the motive and merit of Addiſon, which was no leſs than the ſacrifice of old love (And O! how hard the ſcience to forget!) at the altar of Virtue (till ſome future Nævius ſhall diſpute the fact and unauthenticate the letter) than we are of Scipio’s difficulty in...1783, [Thomas Tyers], An Historical Essay on Mr. Addison, London, page 27
2. (transitive) To withdraw the authentication of.
   • One advantage to using this approach is that you can “unauthenticate” a user at any time by sending the HTTP 401 header again. You may want to do this to force users to log in again after a certain timeout period or to provide different authentication requirements for the different areas of your...2001, Blake Schwendiman, “Authentication” (chapter 8), in PHP4 Developer’s Guide, New York, N. Y.: McGraw-Hill, →ISBN, page 148