from The Century Dictionary.

  • To become ignorant of, or unacquainted with, as something already known; lose the knowledge of.
  • Not to know; to have no knowledge of or acquaintance with.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective obsolete Unknown.
  • transitive verb obsolete To cease to know; to lose the knowledge of.
  • transitive verb obsolete To fail of knowing; to be ignorant of.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • verb To undo the process of knowing, to lose knowledge of something.


from Wiktionary, Creative Commons Attribution/Share-Alike License

un- +‎ know


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