all cats are grey in the dark
The proverb "all cats are grey in the dark" emphasizes that differences become indistinguishable in certain conditions, often used to imply that superficial qualities lose importance in particular situations.
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Definition
C1General
(idiomatic)In the absence of distinguishing features, everything appears the same.
Example
- In the pitch-black room, it was clear that all cats are grey in the dark.
C1Social
(informal)Superficial differences become irrelevant under certain circumstances.
Example
- When it comes to true friendship, all cats are grey in the dark.