contretemps

[Bailey]

con·tre·temps (kntr-tä, kôtr-tä)
n. pl. contretemps (-täz, -täz)
An unforeseen event that disrupts the normal course of things; an inopportune occurrence.



[French : contre-, against (from Latin contr-; see contra-) + temps, time (from Latin tempus).]

The American Heritage® Dictionary of the English Language, Fourth Edition copyright ©2000 by Houghton Mifflin Company. Updated in 2003. Published by Houghton Mifflin Company. All rights reserved.

mark un-forseen Bailey

[Perry]

A much classier word than glitch or snafu.

[Bailey]

I decided that, when snafu rose to my lips in polite society, also, Perry.

Sir snafs-a-lot Bailey

[skinem]

Or, as I recently heard, a "sitcheeashun"...