Definition of "double-check" [double-check]

• To check again (just to be sure) (verb)

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• "In fact, I just went and bought the “Surrealistic Pillow” track (via iTunes) to double-check — yep, that final line is definitely “Feed your head”."
• "And because I was slow this time, I would have to replay it for myself to double-check."
• "After the family firm's bookkeeper-nephew takes a fatal fall, which local police deem an accident, Lynley's Yard superior asks the dectective inspector to double-check that verdict, though quietly: "No feathers ruffled but no stone unturned.""