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English definition of “flatline”

flatline

verb [I]     /ˈflætlaɪn/
to remain at the same, usually low , level : For the past two years , both the job market and house prices have flatlined in the area . The party has spent the last three months flatlining with a 34% popularity rating in the monthly polls .
flatlining noun [U]
(Definition of flatline verb from the Cambridge Business English Dictionary © Cambridge University Press)
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