sitzkrieg
/ˈziːtksraɪər, ˈziːtscraɪər/Definitions
1. noun
A military strategy or period of inactivity, especially during the early stages of a conflict, in which a country or military force does not engage in direct combat, often to lull the enemy into a false sense of security.
“The country’s initial strategy of avoiding direct conflict was called a sitzkrieg, but it ultimately backfired as the enemy gained momentum.”