Definition of "flatlined" [flatlined]

• Simple past tense and past participle of flatline. (verb)

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• "Not us, says the City, though funding has "flatlined" under Mayor-for-Life Mike Bloomberg."
• "When they got the man out at 7: 22 p.m. he appeared to be dead and had "flatlined" but he was rushed to Provena Saint Joseph Medical Center in Joliet, where they were able to get a pulse and a blood pressure reading, the deputy chief said."
• "Jackson said it "flatlined" while DioGuardi put it bluntly:"