noun
dirt or filth ingrained on the surface, especially of a building or a vehicle
verb
to cover or become covered with grime
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The cleaning crew had to work tirelessly to remove the grime from the old building's windows.
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I can't believe how much grime built up on the stove - it took forever to clean!
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That party was so wild, everyone came home covered in grime.
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The corruption in the government was like a thick layer of grime, impossible to ignore.