Uninterested or Disinterested?

What? I already told you, remember!?

I’m usually pretty understanding when it comes to commonly-confused words, but this one annoys me, simply because of how I often I see people get it wrong (almost always using disinterested when they mean uninterested).

OK, so explaining the difference between the two words is pretty straightforward, but why does one begin with dis-, and one with un-? Continue reading