Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Adjective: unregistered  ,ún're-jis-tu(r)d
  1. (of animals) not recorded with or certified by an official breed association
    "unregistered dairy cattle"
  2. Not registered
    "an unregistered citizen"
  3. (a boat or vessel) not furnished with official documents

See also: undocumented, unlisted

Antonym: registered