flatlining

Verb

flatline (third-person singular simple present flatlines, present participle flatlining, simple past and past participle flatlined)

1. (intransitive) To stop beating.
2. (broadly, intransitive) To die.
3. (slang, transitive) To kill.
   • If looks could kill, Mona's sharp gaze would have flatlined him in one second.2013, Shobha Nihalani, Nine
4. (informal, intransitive) To remain at the same level, without development; or, to fall.
   • The economy in Northern Ireland is flatlining and jobs are scarce.2012, The Guardian, National Trust attempts to block £100m Giant's Causeway golf course
5. To experience significantly decreased rates of change compared to previous rates of change.
   • Upon upload, the video got 1,000 views/day for the first week, then flatlined and started getting fewer than ten views/day.
6. (intransitive) To fish using a flatline.

See all 10 meanings of flatline