Talk:challenge

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I find that the word "challenge" is used as an euphemism for "problem" often. Should this use be mentioned, for example by adding a third entry "euphemism for problem"? --62.131.189.89 09:27, 14 May 2006 (UTC)[reply]

Medical/research term[edit]

There appears to be a meaning of challenge used in medicine or in research in general. Wakablogger2 19:32, 11 July 2010 (UTC)[reply]

From the OED: "A dose of an antigen given, by injection or other means, to an animal or person that has been sensitized to it by a previous dose." Not sure whether there may be yet another meaning, though. Wakablogger2 19:39, 11 July 2010 (UTC)[reply]
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