ar·​rhyth·​mic | \ ā-ˈrit͟h-mik How to pronounce arrhythmic (audio) \

Definition of arrhythmic

1 : lacking rhythm or regularity To assist my arrhythmic descents I'd been swinging my arms and shoulders too wildly.— Kenny Moore The conductor-less orchestra pit produces arrhythmic and atonal sounds …— Josef Woodard
2 : of, relating to, characterized by, or resulting from arrhythmia … less than 10 percent of untreated patients develop cardiac problems such as heart block, with its resultant arrhythmic heartbeat— Thomas J. Daniels and Richard C. Falco

Examples of arrhythmic in a Sentence

Recent Examples on the Web Reijn’s wishy-washy, arrhythmic, humorless direction homes in far too much on redundant, nothingburger details and does way too little with what the actors are trying to give. K. Austin Collins, Rolling Stone, 5 Aug. 2022 Contrary to the Facebook post's claim, sudden arrhythmic death syndrome is nothing new. Sudiksha Kochi, USA TODAY, 11 July 2022 But at the arrhythmic heart of the matter were these two stories. New York Times, 2 Mar. 2021 For example, a family of anti-arrhythmic drugs that was effective in stopping asymptomatic irregular heartbeats was subsequently found to increase the risk of cardiac arrest when given to heart attack survivors. G. Caleb Alexander, STAT, 10 Apr. 2020 The team suspected that a gene called RYR2 could be the culprit -- mutations of the gene can cause a cardiac arrhythmic disorder that can lead to exercise-fainting spells, seizures or even sudden cardiac death. Harmeet Kaur, CNN, 16 Jan. 2020 The kickoff of the NFL’s 100th season was the Rust Bowl, an arrhythmic matchup of two teams who rested their starters in exhibition games this summer and wound up paying the price. Los Angeles Times, 5 Sep. 2019 Not all children are embarrassed by their parents’ arrhythmic flossing. Joanna Sugden, WSJ, 26 July 2018 For those that were deemed sudden cardiac deaths, just over half were arrhythmic — where devices like an automated external defibrillator can save someone’s life. Kimberly Veklerov,, 18 June 2018 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'arrhythmic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of arrhythmic

1833, in the meaning defined at sense 1

History and Etymology for arrhythmic

Greek árrhythmos "lacking rhythm, unrhythmical" (from a- a- entry 2 + -rrhythmos, adjective derivative of rhythmós rhythm) + -ic entry 1

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The first known use of arrhythmic was in 1833

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Last Updated

9 Aug 2022

Cite this Entry

“Arrhythmic.” Dictionary, Merriam-Webster, Accessed 19 Aug. 2022.

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More Definitions for arrhythmic


ar·​rhyth·​mic | \ -mik How to pronounce arrhythmic (audio) \

Medical Definition of arrhythmic

1 : lacking rhythm or regularity arrhythmic locomotor activity
2 : of, relating to, characterized by, or resulting from arrhythmia arrhythmic risk arrhythmic death

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