arrhythmia

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/eɪˈɹɪð.mɪ.ə//əˈɹɪð.mi.ə/

noun

An irregular heartbeat; a lack of a regular pulse.

Similar
dysrhythmiacardiac arrhythmia
OriginNew Latin arrhythmia ← Ancient Greek ἀρρυθμία →
Less commonScrabble 21
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Meanings

nounarrhythmia (countable and uncountable, plural arrhythmias)

plural arrhythmias

  1. countableuncountableAn irregular heartbeat; a lack of a regular pulse.
  2. countableuncountableA disease entity involving such beats, such as atrial fibrillation, ventricular tachycardia, AV nodal reentrant tachycardia, or others.

Synonyms & antonyms

Similar
dysrhythmia

nounan abnormal rate of muscle contractions in the heart

Similar
cardiac arrhythmia
Broader
heart diseasecardiopathy
Also see
asequencedysrhythmia

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Ancient Greekἀρρυθμία
  2. New Latinarrhythmia
  3. Englisharrhythmia

Borrowed from New Latin arrhythmia, from Ancient Greek ἀρρυθμία (arrhuthmía), equivalent to a- + rhythm + -ia.

More words from New Latin, Ancient Greek

Full word history & related roots →

Translations

Arabic اِضْطِرَاب نَظْم القَلْب
  • اِضْطِرَاب نَظْم القَلْب (iḍṭirāb naẓm al-qalb)Translations
Catalan arrítmia
  • arrítmiaTranslations
Chinese Mandarin 心律不整, 心律失常
  • 心律不整 (xīnlǜ bùzhěng)Translations
  • 心律失常 (xīnlǜ shīcháng)Translations
  • 心律不齊 /心律不齐 (xīnlǜ bùqí)Translations
Czech arytmie
  • arytmieTranslations
Danish arytmi, hjertearytmi
  • arytmiTranslations
  • hjertearytmiTranslations
Dutch hartritmestoornis, aritmie
  • hartritmestoornisTranslations
  • aritmieTranslations
Esperanto kora misritmo
  • kora misritmoTranslations
Finnish rytmihäiriö
  • rytmihäiriöTranslations
French arythmie
  • arythmieTranslations
German Herzrhythmusstörung, Arrhythmie
  • HerzrhythmusstörungTranslations
  • ArrhythmieTranslations
Greek αρρυθμία
  • αρρυθμία (arrythmía)Translations
Indonesian aritmia
  • aritmiaTranslations
Italian aritmia
  • aritmiaTranslations
Japanese 不整脈
  • 不整脈 (fuseimyaku)Translations
Korean 부정맥
  • 부정맥 (bujeongmaek)Translations
Polish arytmia
  • arytmiaTranslations
Portuguese arritmia
  • arritmiaTranslations
Russian аритми́я
  • аритми́я (aritmíja)Translations
Spanish arritmia
  • arritmiaTranslations
Swedish arytmi
  • arytmiTranslations
Turkish aritmi
  • aritmiTranslations
Cite this entry
APA

arrhythmia. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/arrhythmia

MLA

“arrhythmia.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/arrhythmia. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “arrhythmia,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/arrhythmia.

Source: arrhythmia on Wiktionary, CC BY-SA 4.0.