anonymous

US /əˈnɑnəməs/

UK /ə'nɒnɪməs/

B1

adjective

  • Unknown; with no name revealed
  • Lacking individuality, distinction, or recognizability.
  • Not identified by name; of unknown authorship or origin.
  • Not identified by name; of unknown authorship or origin.
  • Of unknown name; whose name is withheld.
  • Of unknown name; whose name is withheld.

noun

  • A group or collective of unidentified individuals, often associated with hacking or activism.