flat line

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English[edit]

Noun[edit]

flat line (plural flat lines)

  1. Alternative form of flatline.
    • 2023 February 8, Sir Michael Holden, “Comment: Boom or bust: time to decide”, in RAIL, number 976, page 3:
      "Overall satisfaction with rail journey", as measured fortnightly by Transport Focus, has maintained a broadly flat line at around 85% across the last four months of travel disruption, while "satisfaction with punctuality/reliabilty" is hovering around 75%.