sitzkrieg Syllabification: (sitz·krieg)Pronunciation: /ˈsitsˌkrēg/Definition of sitzkrieg noun a war, or a phase of a war, in which there is little or no active warfare. Origin: 1940s: suggested by blitzkrieg, from German sitzen 'sit'sitzkrieg in other Oxford dictionaries Definition of sitzkrieg in the British & World English dictionary