Main Entry: som·nam·bu·lism

Pronunciation: \säm-ˈnam-byə-ˌliz-əm\

Function: noun

1 : an abnormal condition of sleep in which motor acts (as walking) are performed
2 : actions characteristic of somnambulism

—som·nam·bu·lis·tic \(ˌ)säm-ˌnam-byə-ˈlis-tik\ adjective