- The definition of pecksniffian is being hypocritical about moral principles.
An example of pecksniffian is a campaign that appears to appeal ethics and standards but really appeals to peoples' wants and desires.
Pecksniffian definition by Webster's New World
Origin: after Pecksniff, unctuous hypocrite in Dickens' Martin Chuzzlewit
Pecksniffian definition by American Heritage Dictionary
Origin: After Seth Pecksniff, a character in Martin Chuzzlewit, a novel by Charles Dickens.