Definition of "difficile" [dif•fi•cile]

• Hard to work with; stubborn. (adjective)
• Difficult. (adjective)

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• "And there's actually a very specific experiment I'd like you to discuss, if you could, and that had to do with a patient who had a C. difficile, which is a bacterial infection that causes such extreme diarrhea that some elderly people die as a result."
• "The study examined hospital patients infected with the drug-resistant bacteria Clostridium difficile, which is infamous for causing diarrhea in hospitalized patients and responsible for more deaths in the United States than all other intestinal infections combined."
• "Clostridium difficile, which is especially lethal to the elderly, suggest it prevents recurrence far better than currently used medications."