Standard Lemma guide

outbreak

noun · verb · 6 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /ˈaʊtbɹeɪk/
  • US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: AW1 T B R EY2 K Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

An eruption; the sudden appearance of a rash, disease, etc.

Definition source: English Wiktionary via Wiktextract

Examples

  • Any epidemic outbreak causes understandable panic.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A sudden increase.

Definition source: English Wiktionary via Wiktextract

Examples

  • There has been an outbreak of vandalism at the school.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

An outburst or sudden eruption, especially of violence and mischief.

Definition source: English Wiktionary via Wiktextract

Usage: figuratively

Examples

  • There has been an outbreak of broken windows in the street.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

Synonym of breakout (“escape from prison”).

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: breakout

Antonyms: none provided

5

verb

Meaning 5

To burst out or break forth.

Definition source: English Wiktionary via Wiktextract

Usage: intransitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

a sudden violent spontaneous occurrence (usually of some undesirable condition)

Definition source: Princeton WordNet 3.0

Examples

  • the outbreak of hostilities

Meaning relationships

Synonyms: eruption, irruption

Antonyms: none provided

Broader terms: happening, occurrence, occurrent, natural event

Narrower terms: epidemic, recrudescence

History

Etymology

From Middle English outbreken, oute-breken, from Old English ūtābrecan (“to break out”), equivalent to out- + break. Cognate with Saterland Frisian uutbreeke (“to break out, burst out”), West Frisian útbrekke (“to break out”), Dutch uitbreken (“to break out, burst out”), German ausbrechen (“to break out, erupt”). The noun is cognate with Saterland Frisian Uutbreek (“outbreak”), West Frisian útbrek (“outbreak”), Dutch uitbraak (“outbreak”), and German Ausbruch (“outbreak”), and is comparable to Danish udbrud (“outbreak”), Faroese and Icelandic útbrot (“rash”), Norwegian utbrudd (“outbreak”), and Swedish utbrott (“outbreak”).

Across languages

Translations

68 source translations are retained for this English entry.

  • Arabic: تَفَشٍّ (tafaššin) — an eruption, sudden appearance
  • Bulgarian: изригване (izrigvane) — an eruption, sudden appearance
  • Catalan: brot — an eruption, sudden appearance
  • Chinese Mandarin: 爆發 /爆发 (bàofā) — an eruption, sudden appearance
  • Danish: udbrud — an eruption, sudden appearance
  • Dutch: uitbarsting — an eruption, sudden appearance
  • Dutch: uitbraak — an eruption, sudden appearance
  • Esperanto: ekapero — an eruption, sudden appearance
  • Finnish: purkaus — an eruption, sudden appearance
  • Finnish: puhkeaminen — an eruption, sudden appearance
  • French: éruption — an eruption, sudden appearance
  • French: déclenchement — an eruption, sudden appearance
  • French: apparition — an eruption, sudden appearance
  • German: Ausbruch — an eruption, sudden appearance
  • German: Auftreten — an eruption, sudden appearance
  • German: Entfesselung — an eruption, sudden appearance
  • Irish: ráig — an eruption, sudden appearance
  • Italian: scoppio — an eruption, sudden appearance
  • Italian: insorgenza — an eruption, sudden appearance
  • Māori: kautorohītanga — an eruption, sudden appearance
  • Māori: kaitorohītanga — an eruption, sudden appearance
  • Persian: شیوع (šoyu') — an eruption, sudden appearance
  • Polish: wybuch — an eruption, sudden appearance
  • Portuguese: surto — an eruption, sudden appearance
  • Romanian: izbucnire — an eruption, sudden appearance
  • Russian: вспы́шка (vspýška) — an eruption, sudden appearance
  • Russian: взрыв (vzryv) — an eruption, sudden appearance
  • Spanish: brote — an eruption, sudden appearance
  • Spanish: irrupción — an eruption, sudden appearance
  • Spanish: surgimiento — an eruption, sudden appearance
  • Welsh: cychwyn — an eruption, sudden appearance
  • Welsh: cychwyniad — an eruption, sudden appearance
  • Welsh: tarddiant — an eruption, sudden appearance
  • Bulgarian: изблик (izblik) — a sudden increase
  • Chinese Mandarin: 激增 (jīzēng) — a sudden increase
  • Danish: bølge — a sudden increase
  • Dutch: uitbarsting — a sudden increase
  • Dutch: explosie — a sudden increase
  • Finnish: aalto — a sudden increase
  • French: explosion — a sudden increase
  • German: sprunghafter Anstieg — a sudden increase
  • German: plötzliche Zunahme — a sudden increase
  • German: Massenvermehrung (biol.) — a sudden increase
  • German: Schwemme — a sudden increase
  • Italian: diffusione — a sudden increase
  • Persian: شیوع (šoyu') — a sudden increase
  • Polish: wybuch — a sudden increase
  • Bulgarian: въстание (vǎstanie) — (fig.) an outburst or sudden eruption, especially violent
  • Chinese Mandarin: 一系列 (yīxìliè) — (fig.) an outburst or sudden eruption, especially violent
  • Chinese Mandarin: 突發事端 /突发事端 (tūfā shìduān) — (fig.) an outburst or sudden eruption, especially violent
  • Dutch: uitbarsting — (fig.) an outburst or sudden eruption, especially violent
  • Dutch: uitbreken — (fig.) an outburst or sudden eruption, especially violent
  • Finnish: purkaus — (fig.) an outburst or sudden eruption, especially violent
  • Finnish: puhkeaminen — (fig.) an outburst or sudden eruption, especially violent
  • French: éruption — (fig.) an outburst or sudden eruption, especially violent
  • French: explosion — (fig.) an outburst or sudden eruption, especially violent
  • German: Ausbruch — (fig.) an outburst or sudden eruption, especially violent
  • German: plötzliches Auftreten — (fig.) an outburst or sudden eruption, especially violent
  • German: Lawine — (fig.) an outburst or sudden eruption, especially violent
  • German: Flut — (fig.) an outburst or sudden eruption, especially violent
  • Irish: ráig — (fig.) an outburst or sudden eruption, especially violent
  • Italian: esplosione — (fig.) an outburst or sudden eruption, especially violent
  • Italian: eruzione — (fig.) an outburst or sudden eruption, especially violent
  • Polish: wybuch — (fig.) an outburst or sudden eruption, especially violent
  • Romanian: izbucnire — (fig.) an outburst or sudden eruption, especially violent
  • Spanish: eclosión — (fig.) an outburst or sudden eruption, especially violent
  • Spanish: surgimiento — (fig.) an outburst or sudden eruption, especially violent
  • Welsh: ffrwydrad — (fig.) an outburst or sudden eruption, especially violent
Real reading context

outbreak in complete knowledge articles