amok

run amok behave uncontrollably and disruptively.

☞ Amok, formerly also spelt amuck, comes from the Malay word amuk, meaning 'in a homicidal frenzy', in which sense it was first introduced into English in the early 16th century.

2013Mac Observer Steve Jobs was always adamant that no powerful vice president ran amok and destroyed a clear customer-directed vision.