wallpaper

/ˈwɔːlˌpeɪpər/ noun [U]

Definition

› FINANCE, STOCK MARKET shares and bonds that have no or almost no value: Are these certificates worth anything or are they just wallpaper?

› IT an image or pattern that you can save onto the screen of your computer: All these images are free to download as desktop wallpaper.

(Definition of wallpaper noun from the Cambridge Business English Dictionary © Cambridge University Press)

to express disagreement or refuse to do something

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