Flatline
Flatline verb - To stop living.
Usage example: the patient was fading fast, and doctors expected him to flatline before the night was over
Succumb
Succumb verb - To stop living.
Usage example: the patient lay so still and pale that everyone thought he had succumbed, and then he opened his eyes
Nearby Word: succumbing
Mutual synonyms
Cite this Source
Succumb and Flatline. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/flatline/succumb
Flatline & Succumb. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/flatline/succumb>.
Succumb or Flatline. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/flatline/succumb.
Google Ngram Viewer shows how "flatline" and "succumb" have occurred on timeline