Definition of greyed-out in US English:

greyed-out

(US grayed-out)

adjective

  • 1Faded or paler in colour; shaded with grey, grey-coloured.

  • 2Computing. Of a menu item, icon, or other element of a user interface: displayed in grey, or more faintly, especially to indicate the unavailability of the option represented.

  • 3Lacking distinctiveness, character, or vitality.

Origin

Early 20th century; earliest use found in American Printer. From greyed + out.

Pronunciation

greyed-out

/ˌɡreɪdˈaʊt/