Use the adjective paranormal to talk about things that are outside of normal experience, like ESP, ghosts, and UFOs.
You might describe your friend's uncanny ability to bend spoons with her mind as paranormal, or beyond a scientific explanation. While many people don't believe in any kind of paranormal events, there are those who see or hear things they can't explain rationally. The Greek word para, "against, or contrary to," is paired up with normal: if it goes against what's normal, you can probably describe it as paranormal.
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