“Fortuitous” events happen by chance; they need not be fortunate events, only random ones: “It was purely fortuitous that the meter reader came along five minutes before I returned to my car.” Although fortunate events may be fortuitous, when you mean “lucky,” use “fortunate.”
This is the tenth year of the Common Errors in English Usage calendar. To celebrate, we are bringing back some of our favorite interesting, funny, but sometimes merely silly entries through the years before going on hiatus in 2016.
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