- The definition of deceptive is something that is misleading or that is presenting a lie.
An advertisement that presents untrue facts about the product is an example of an ad that would be described as deceptive.
Origin of deceptiveFrench déceptif ; from Late Latin deceptivus: see deceive and amp; -ive
(comparative more deceptive, superlative most deceptive)
From Middle French déceptif