Definition from Webster:
unusual adj : not usual : uncommon, rare
Examples from MMC:
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| http://peperonity.com/go/sites/mview/sokalzone/26691388 |
| http://newswatch.nationalgeographic.com/2013/01/24/5-surprising-facts-about-rare-species/ |
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| http://mudfooted.com/pink-insect-katydid/ |
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| http://www.cornucopia3d.com/portfolio/zane_egginton |
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| http://www.humorsharing.com/unusual-houses-people-lives-in/3825 |
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| http://www.beautiful-animals.com/category/funny-animals/ |
