"Abrupt departure" refers to a sudden and unexpected act of leaving or exiting a situation or place without any prior notice or warning. Full definition
Bill Gross's abrupt departure from United States asset manager PIMCO in 2014... (cnbc.com)
What looked like a surprising and abrupt departure by a rising star executive had little to do with the company, Fortune has learned. (fortune.com)
He made a big point of playing down the effect of Bartz's abrupt departure last week, calling the executive team — all essentially Bartz appointees, including Levinsohn himself — «self - sufficient,» and therefore more immune to the changes it's seeing at the very top. (gigaom.com)