A rare-earth element, usually used as a "tonal enhancer" for high-end guitars
That bitchin' PRS Dragon guitar has a bridge and tailpiece of surgical-grade unobtainium!
by Eric J. August 11, 2003
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A word used to express how much you love someone. When the phrase "I love you" doesn't do justice.
by emilemi06 April 27, 2006
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A substance that can be melted down into liquid and used as a fuel, weaponized, or used for more than any resource on earth. Many people would have a financial interest in it if it could be found, since having it would be a lot like having control of gold, oil, and nuclear weapons all in one substance.
Once humans found the unobtainium on Pandora, people living in Pandora neighborhoods started selling their houses cheap. Blue people called humans speciesist/human racist in the later additions/sequels to avatar when a planet wide war broke out at the same time as a planet wide famine, plaque, and natural disasters on Pandora. Humans started asking other humans for donations to support their organizations for saving Pandorian food, children, elderly persecuted, and animal life. There was also cheap Pandorian real estate available for humans who wanted to own property in another planet.
by Solid Mantis May 30, 2019
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This crazy rock-like substance that is "hard to get" without shedding a lot of blue blood (but not Blue-Blood) used in the movie Avitar to make smart, thinking people perseverate on this STUPID word for the entire film.
Can you believe those morons who wrote/directed such a creative film were unable to come up with a better word than "unobtainium?" Who came up with this, are they still finding work writing? Are they kicking themselves? What happened to words like kryptonite?
by The Fig February 1, 2010
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Referring to a person, place or thing that will never happen.
"He took her out to dinner three times, but she turned out to be unobtainium."
by MontanaBlueDog December 18, 2009
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The universal scapegoat fictional "metal" that sic-fi filmmakers love to use when they are out of creative juices.
"What kind of metal is this?"...
"Well, it's real name has thirty-seven syllables. I just call it Unobtainium."
by Sammyclamm July 7, 2015
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