An inaccurate description, often fraudulent.

plural of misdescription

(law) In United States trademark law, tending to mislead consumers about the qualities of the product represented by the mark.

(law) In United States trademark law, the characteristic of a trademark being misdescriptive.

(law, US) In U.S. trademark law, misdescriptive in a way that is likely to deceive consumers in a way that influences the decision to purchase.