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grey out

B2 neutral separable transitive/intransitive

To become dim, dull, or semi-transparent — used of UI elements being disabled, vision becoming impaired, or something losing vibrancy.

In plain English

When something becomes dull grey and hard to see or use — like a button on a computer screen that you can't click.

What does "grey out" mean?

3 meanings, ordered from most common to least. Color-coded by CEFR level.

1 B1 idiomatic neutral

(Computing/UI) To display an option, button, or menu item in a muted grey color to indicate it is currently unavailable or disabled.

"The 'save' button will grey out automatically if you haven't made any changes to the document."

separable
2 C1 idiomatic neutral

(Aviation/physiology) To experience a partial loss of vision or consciousness — a dimming effect — due to reduced blood flow to the brain, typically caused by high g-forces.

"The pilot began to grey out as the aircraft pulled a sharp 6-g turn."

3 B2 neutral

To become visually dull, washed out, or indistinct in color.

"The old photograph had greyed out so much that her face was barely visible."

Literal vs figurative

Words literally mean

To turn grey; to become washed out or colorless.

Actually means

When something becomes dull grey and hard to see or use — like a button on a computer screen that you can't click.

Usage tip

Common in computing (UI design) where disabled menu items are 'greyed out'. Also used in aviation for a partial loss of vision due to g-force. British spelling is 'grey out'; American spelling is 'gray out'. Both are standard.

Words that pair with "grey out"

Natural word combinations native speakers use most often.

button menu option vision screen feature

How to conjugate "grey out"

The five tense forms you'll use most often.

Base
grey out
I/you/we/they
3rd person
greys out
he/she/it
Past simple
greyed out
yesterday
Past participle
greyed out
have + pp
-ing form
greying out
continuous

Hear "grey out" in the wild

Listen to native speakers using "grey out" in real YouTube videos — click a clip to watch it on Looplines.

Other ways to say "grey out"

Swap in when you want variety — tap a linked one to explore it.

deactivate dim disable fade make inactive wash out

Keep exploring

Jump to every phrasal verb built on the same verb, particle, or level.