sightless

/S AY1 T L AH0 S/
adjective
  1. 1

    Unable to be seen; out of sight; not visible.

  2. 2

    Not appearing on the surface.

  3. 3

    Apparently, but not actually, offline.

    โ€œI went invisible so that my ex-girlfriend wouldn't send me instant messages.โ€

  4. 4

    That is ignored by a person.

adjective
  1. 1

    Without sight; blind.

Source: https://en.wiktionary.org/wiki/invisible, https://en.wiktionary.org/wiki/sightless