noun · 2 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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Received-Pronunciation:/ˌtæk.ɪˈkɑː.di.ə/
Canada, General-American:/ˌtæk.ɪˈkɑɹ.di.ə/
Canada, General-American:/ˌtæk.əˈkɑɹ.di.ə/
Canada, General-American:/ˌtæk.iˈkɑɹ.di.ə/
Australian:/ˌtæk.ɪˈkɐː.di.ə/
Australian:/ˌtæk.əˈkɐː.di.ə/
New-Zealand:/ˌtɛk.əˈkɐː.di.ə/
QueenslandRecorded audio is listed in the source snapshot.
rhymes with -ɑː(ɹ)diə
CMU ARPABET:T AA2 K IY0 K AA1 R D IY2 AH0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A rapid resting heart rate, especially one above 100 beats per minute; palpitations.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: cardiology, medicine, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: tachyrhythmia
Antonyms: bradycardia
2
noun
Meaning 2
abnormally rapid heartbeat (over 100 beats per minute)
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: cardiac arrhythmia, arrhythmia
History
Etymology
Learned borrowing from New Latin tachycardia, from Ancient Greek ταχύς (takhús, “swift”) + καρδία (kardía, “heart”). By surface analysis, tachy- + -cardia. Compare French tachycardie.
Across languages
Translations
60 source translations are retained for this English entry.
Afrikaans:
tagikardie
— rapid resting heart rate
Arabic:
تسرع القلب
(tusrie al-qalb)
— rapid resting heart rate
