fool's errand
nounDefinition of fool's errand
: a needless or profitless endeavor
"No, no. You forced me into visiting him last year, and promised, if I went to see him, he should marry one of my daughters. But it ended in nothing, and I will not be sent on a fool's errand again."— Jane Austen Predicting what will happen with China is a fool's errand. China is the exception that proves so many rules wrong.— John Feffer While trying to change European opinion of America is not exactly a fool's errand, neither should we expect much from the effort.— James W. Ceaser
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