white as a sheet


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Related to white as a sheet: along the lines, take a back seat, without a hitch

*white as a sheet

 and *white as a ghost; *white as snow; *white as the driven snow
[of someone] extremely pale, as if frightened. (*Also: as ~.) Marilyn turned as white as a sheet when the policeman told her that her son had been in a car wreck. Did something scare you? You're white as a sheet! Jane made up the bed with her best linen sheets, which are always as white as snow. We have a new kitten whose fur is white as the driven snow.
See also: sheet, white

white as a sheet

Very pale in the face, as in She was white as a sheet after that near encounter. This simile, dating from about 1600, survives despite the fact that bedsheets now come in all colors.
See also: sheet, white