*Hubris (/ˈhjuːbrɪs/), also hybris, from ancient Greek ὕβρις, means extreme pride or arrogance. Hubris often indicates a loss of contact with reality and an overestimation of one's own competence or capabilities, especially when the person exhibiting it is in a position of power.
-- Or just: "hubristic" [1]
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[1] http://en.wikipedia.org/wiki/Hubris
*Hubris (/ˈhjuːbrɪs/), also hybris, from ancient Greek ὕβρις, means extreme pride or arrogance. Hubris often indicates a loss of contact with reality and an overestimation of one's own competence or capabilities, especially when the person exhibiting it is in a position of power.