monitorless

Without a monitor (computer display unit).

Adjective

  1. Without a monitor (computer display unit).
    • By providing a monitorless configuration, we allow end-users and VARs more product and price flexibility for matching their hardware to applications... - 1989 January 2, InfoWorld, volume 11, number 1:
    • Remember typewriters, those clattering, monitorless contraptions that were all the rage not so very long ago? - 2006, Deke McClelland, Adobe InDesign CS2 one-on-one:

Origin

From monitor + -less.