grayout
1 of 2noun
gray·out ˈgrā-ˌau̇t 
variants or less commonly greyout
plural grayouts also greyouts
: a transient dimming or haziness of vision resulting from temporary impairment of cerebral circulation
gray out
2 of 2verb
ˌgrā-ˈau̇t
variants or less commonly grey out
grayed out also greyed out; graying out also greying out; grays out also greys out
intransitive verb
: to experience a grayout
She cut her head, bloodied her nose … and had actually grayed out for a few moments with shock.
Stephen King
Stephen Kingtransitive verb
: to cause (something or someone) to appear gray or grayish
"In terms of what shows up on the public website, we will be greying out faces and licence plates for now." Jesse Zeman
Jesse Zeman specifically : to cause (an element of a computer interface, webpage, etc.) to appear gray or grayish (as to indicate that its function is unavailable or already used)
Similarly, the visual signal of graying out a headline to remind readers they've already read it needs to work across devices. Ken Doctor
Ken Doctor grayed out adjective
or less commonly grayed-out or greyed out or greyed-out
grayed out vision
a grayed out button
Word History
First Known Use
Noun
1942, in the meaning defined above
Verb
1938, in the meaning defined at transitive sense
Medical Definition
grayout 1 of 2
noun
gray·out
variants or chiefly British greyout
ˈgrā-ˌau̇t
: a transient dimming or haziness of vision resulting from temporary impairment of cerebral circulation compare blackout, redout
gray out
2 of 2intransitive verb
ˌgrā-ˈau̇t
: to experience a grayout compare black out, red out