Definition of «ruthless efficiency»

The phrase "ruthless efficiency" means being extremely focused, focused and effective in getting things done, without any mercy or wasted effort.

With ruthless efficiency, hundreds of candidates are cut down to just a handful, who make it through to the interview stage. (ikono.me)
Tinder brought ruthless efficiency to online dating. (techcrunch.com)
But I recognize that Wenger's team for the past couple of years has always lacked ruthless efficiency. (justarsenal.com)
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