Definition of sanctimony in US English:

sanctimony

noun

derogatory
  • The action or practice of acting as if one were morally superior to other people.

    ‘they have no shame and turn on the phony sanctimony’

Pronunciation

sanctimony

/ˈsaNG(k)təˌmōnē//ˈsæŋ(k)təˌmoʊni/