When brain function ceases, the electroencephalogram shows flatline recordings.
Source: wiktionary
Flatline
//ˈflætˌlaɪn//
Synonyms for "flatline" (25 found)
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Closest matches (5)
Strong matches (8)
Related words (12)
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
Sample sentences
7 total sentences available.
Thus, you hear words like "flatline recession," "improvement at a greatly reduced rate," "economic hiccup," "recessionette," "rolling readjustment" and "the economy is double clutching."
Source: wiktionary
If looks could kill, Mona's sharp gaze would have flatlined him in one second.
Source: wiktionary
After all she'd been through, she needed sleep and food to heal, not endure a lovemaking session that was so passionate that it had pretty much flatlined him as well.
Source: wiktionary
Showing 4 of 7 available sentences.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.