Wiktionary
masterly inactivity
n. (context politics public policy English) A policy of deliberate inactivity.
Usage examples of "masterly inactivity".
Mallory stopped and looked again at the scene of masterly inactivity.
Parker, indeed, they could not easily turn away, but Lord Peter found himself confronted with a surly manner and what Lord Beaconsfield described as a masterly inactivity.