Makeup smudge (5)

I believe the answer is:

smear

(Other definitions for smear that I've seen before include "material for examination that is on the slide" , "Bedaub with oily stuff - defame" , "Slander - tissue sample used for testing" , "Unwarranted accusation" , "Besmirch" .)

I've seen this clue in the Newsday.com and the Newsday.

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