blue-sky
v.— «They couldn’t understand why we would pour money into such “harebrained blue-skying” instead of giving it to them to design yet another model of their ill-fated line of processors.» —“Nurturing of Corporate Research” by Richard S. Rosenbloom, Alan M. Kantrow Harvard Business Review Feb. 1, 1982. (source: Double-Tongued Dictionary)
Further reading
If you speak a second or third language, you may remember the first time you dreamed in that new tongue. But does this milestone mean you’re actually fluent? And a couple’s dispute over the word regret: Say you wish you’d been able...
While reading Great Expectations (Bookshop|Amazon) by Charles Dickens, a listener in Arlington, Texas, is surprised when one of the characters inherits some money, which Dickens describes as a cool four thousand. Were they really using cool that way...