Definition of "irrationally" [ir•ra•tion•al•ly]

• In an irrational manner; without reason; in a manner contrary to reason; absurdly. (adverb)

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• "He might have a point to a degree, but, comically, the rather obvious thing he has overlooked is that a forum devoted to atheism attracts a lot of people who are more interested in irrationally venting their spleen than in calm reasoned argument."
• "Drunks do it drunkenly, which is to say irrationally and against what would otherwise be their better judgment."
• "2B The Unabomber writes that society evolves irrationally, which is probably how he justified mailing people bombs."
• "Overall, I agree with Friedman that evolutionary psychology can provide insights into the factors that lead people to behave "irrationally" in markets and in their beliefs about markets."
• "I think it is true that people make political and economic decisions "irrationally" in the sense those decisions are often motivated by the desire for validation."