Definition of Pecksniffianism in US English:

Pecksniffianism

noun

  • The quality of being Pecksniffian.

Origin

Mid 19th century; earliest use found in Blackwood's Magazine. From Pecksniffian + -ism.

Pronunciation

Pecksniffianism

/pɛkˈsnɪfɪənɪz(ə)m/