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mislabel

American  
[mis-ley-buhl] / mɪsˈleɪ bəl /

verb (used with object)

mislabeled, mislabeling, mislabelled, mislabelling
  1. to label wrongly, incorrectly, or misleadingly.

    to mislabel a bottle of medicine.


Etymology

Origin of mislabel

mis- 1 + label