noun

• The contrivance of a false appearance of virtue or goodness, while concealing real character or inclinations, especially with respect to religious and moral beliefs; hence in general sense, dissimulation, pretence, sham.
• The claim or pretense of having beliefs, standards, qualities, behaviours, virtues, motivations, etc. which one does not really have.
• The practice of engaging in the same behaviour or activity for which one criticises another; moral self-contradiction whereby the behavior of one or more people belies their own claimed or implied possession of certain beliefs, standards or virtues.
• An instance of hypocrisy.