Definition, Meaning & Synonyms

flatline

verb
/ˈflat.laɪn/
Definition
To show a constant low or no activity, often referring to the absence of vital signs.
Examples
  • After the sudden drop in sales, the company’s profits flatlined for several quarters.
  • During the emergency, the monitor showed that the patient had flatlined, prompting immediate action from the medical team.
  • His enthusiasm for the project flatlined after the initial excitement wore off.
Meaning
In medical terms, flatlining means that a person’s heartbeat is no longer detectable, leading to a state of clinical death. It can also refer more generally to stagnation or a lack of progress in various contexts.
Synonyms
  • Cease
  • Stagnate
  • Stop
  • Die
  • Collapse