Definition of "wrenching" []

• Present participle of wrench. (verb)
• The act by which something is wrenched. (noun)

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• "Mr. Obama said he is confident that both sides can agree to his goal of a secure Jewish state of Israel and a sovereign state of Palestine, but warned that it will require what he called "wrenching compromise" from both sides."
• "They will crimp economic growth and require what he calls wrenching changes."
• "Museum of Art before retiring at the end of 2008, in what he called a wrenching decision."