What does "greyout" mean?

A transient loss of vision caused by hypoxia and characterized by a perceived dimming of light and color, sometimes accompanied by a loss of peripheral vision.

What is a synonym for "greyout"?

Common synonyms include: brown out, brown out, brownout.

Greyout

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
A transient loss of vision caused by hypoxia and characterized by a perceived dimming of light and color, sometimes accompanied by a loss of peripheral vision.

Synonyms

All synonyms

brown out brown out brownout

Etymology

Deverbal from grey out.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.