Definition of Sir Humphrey in English:

Sir Humphrey

noun

British
informal
  • A senior civil servant, especially one considered secretive, scheming, or reactionary. Chiefly in plural.

Origin

1980s; earliest use found in The Times. From the name of Sir Humphrey Appleby, a character created by J. Lynn and A. Jay, in the BBC television series Yes, Minister and Yes, Prime Minister.

Pronunciation

Sir Humphrey

/səː ˈhʌmfri/