Definition of "quagmired" []

• Resembling a quagmire (adjective)
• Sunk in a quagmire (adjective)

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• "Thanks for helping us get quagmired in Iraq, Colin."
• "Seven years later, the United States is quagmired in a violent insurgency in Afghanistan, while Pakistan, having surrendered part of its territory to Islamist militant control under a "peace deal", is on the verge of becoming a failed state."
• "Over here, meanwhile, the Pentagon is still maintaining the world's largest military force -- but we have failed to defeat al-Qaeda, we are quagmired in Afghanistan, and all of our nuclear weapons have done little to prevent North Korea from entering the nuclear club."