Standard Lemma guide

EpiPen

name · noun · 3 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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1

name

Meaning 1

A brandname for an epinephrine autoinjector: A device for the autoinjection of adrenaline; used by people who suffer from severe allergies and risk anaphylactic shock.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Alternative letter-case form of epipen (genericized term)

Definition source: English Wiktionary via Wiktextract

Usage: alt-of

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

An epinephrine/adrenaline autoinjector. A device designed to ease the symptoms of anaphylaxis/anaphylactic shock, so as to save the life of the victim of the extreme allergic reaction, by injecting a dose of adrenaline/epinephrine through a spring-loaded needle that punches into the tissue it is triggered against.

Definition source: English Wiktionary via Wiktextract

Topics: medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Originally a trademark; a marketing coinage, presumably a blend of epinephrine + pen.

Genericization of the trademark EpiPen, presumably a blend of epinephrine + pen, from being a pen-sized device used to inject epinephrine.

Across languages

Translations

1 source translations are retained for this English entry.

  • Japanese: エピペン (epipen) — epinephrin autoinjector