Sentence:  What a strange <WSD>contretemps</WSD>! Its suddenness left me temporarily speechless; the embarrassment of Duare was only too obvious. Yet it was that unusual paradox, a happy <WSD>contretemps</WSD>--for me at least. 
Meaning of the word marked with <WSD> tags:  An unforeseen, inopportune, or embarrassing event; a hitch