The phrase "a worst case possibility" is correct and usable in written English.
It can be used when discussing the most unfavorable outcome or scenario that could occur in a given situation.
Example: "In planning for the project, we need to consider a worst case possibility to ensure we are prepared for any challenges."
Alternatives: "a worst-case scenario" or "the most unfavorable outcome".
But I think that would be a worst-case possibility".
In a worst-case possibility, regulators could have destroyed Wall Street in order to save it -- insisting on trials that could have ruined its credibility permanently.
Sketching a worst-case possibility, he warned that if the Serb Republic declared independence, neighboring Croatia would respond by sending in troops, and Bosnian Muslims would take up arms.
Steve Leuthold of the Leuthold Group, a Minneapolis money management firm, calculated what he views as a worst-case possibility, in which the default rate sets a record and interest rates soar.
General Stanley McChrystal described the prospect of renewed internal conflict as a "worst-case possibility" which could be avoided provided the Afghan government received the backing it needed from its allies.
But even if it's not clear yet what, if anything, will be done to Social Security and when, we thought it would be useful to look at a worst-case possibility — to assume that benefits will not continue to be as generous.
But I think if you look at the worst case possibilities here, with respect to a given matrix, and for any given starting point, and for any given strategy in terms of choosing left first, versus right first, or down first versus up first you will have a situation where just like we had in the 1D case you may end up touching a large fraction of the elements in this 2D array.
Most strikingly, the material included four worst case possibilities: 1 The disaffected lab worker In which an unhappy biotech employee makes minor modifications to the genome of a virus – for example, avian flu H5N1.
Now its models blend three possibilities: a best case, a worst case and a more neutral stance.
The assessments in the intelligence estimate outlined three possibilities for Iraq through the end of 2005, ranging from a worst case of civil war to a best case of tenuous stability.
When only percentages were available with several possibilities for the numerator due to rounding, we choose on a worst case basis.
