by RonPurewal Fri Feb 22, 2008 11:09 pm
uninterested = you just don't care
disinterested = neutral / unbiased / not favoring one side or the other in some issue, argument, or dispute
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that's the basic deal. if you need more explanation, go ahead and consult one of the panoply of online dictionaries (m-w.com and dictionary.com are two of the most commonly used)