The phrase "abandoned reason" is correct and usable in written English.
It can be used to describe a state where logical thinking or rationality has been disregarded or left behind.
Example: "In the heat of the argument, he seemed to have abandoned reason and acted purely on emotion."
Alternatives: "forsaken logic" or "discarded rationality".
In this corporatized system, we can't expect many leaders to heed Revolutionary pamphleteer (and ur-blogger) Thomas Paine, who said "Attempting to debate with a person who has abandoned reason is like giving medicine to the dead".
The biggest obstacles to peace in our time include not just power hungry leaders intent on conquest but world citizens paralyzed into inaction when faced with the magnitude of our problems and a sizable minority of the American population that has abandoned reason and logic for absolutes that end dialogue and crumble the common good.
Re "Retailers Are Put on the Spot Over Anti-Gay Aid" (news article, Sept. 26): Some same-sex marriage activists have abandoned reasoned arguments for emotional epithets in trying to win converts to their cause.
Meanwhile, in his own life, Conan Doyle seemed to abandon reason altogether.
And those of the south, blinded by the excess of colour, abandon reason and produce monsters".
Whenever we abandon reason and balk at the advance of knowledge, reaction and chaos ensue.
Demanding "straight talk," Mr. McCain accused conservatives of abandoning reason by opposing the House Republican leader's plan to resolve the debt crisis.
But all it takes to abandon reason is a brief drive a couple of miles toward Grozny, to Mukharbek Hashtyrov's abandoned pig farm.
Although his early abstractions, like those of colleagues at the time, were based on geometric forms, when he joined the subversive Dada movement in 1916 he took to heart its dictum that art should abandon reason and order.
When I joined the Episcopal Church as an adult, I was told that my faith in God and trust in the church did not require me to abandon reason and intelligence.
She wasn't the only person willing to abandon reason and personhood for a pastry.
