Standard Lemma guide

flecainide

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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  • General-American: /flɛˈkeɪˌnaɪd/

1

noun

Meaning 1

An antiarrhythmic drug administered in the form of its acetate C17H20F6N2O3·C2H4O2 especially to treat serious ventricular arrhythmias.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: medicine, pharmacology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

oral antiarrhythmic medication (trade name Tambocor) used as a last resort in treating arrhythmias; increases the risk of sudden death in heart attack patients

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Tambocor

Antonyms: none provided

Broader terms: antiarrhythmic, antiarrhythmic drug, antiarrhythmic medication

History

Etymology

From (tri)fl(uoro)e(thoxy) + -cain- + (am)ide.

Across languages

Translations

1 source translations are retained for this English entry.

  • Finnish: flekainidi — antiarrhythmic agent