Standard Lemma guide

downburst

noun · 1 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.

No pronunciation record was provided for this word.

1

noun

Meaning 1

A powerful downward air current, especially one during a thunderstorm, often creating powerful divergent horizontal winds and strong wind shear upon impacting the surface.

Definition source: English Wiktionary via Wiktextract

Topics: climatology, meteorology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From down- + burst, coined by American meteorologist Horace R. Byers and Japanese and American meteorologist Tetsuya T. Fujita in November 1975.

Across languages

Translations

4 source translations are retained for this English entry.

  • Finnish: syöksyvirtaus — air current
  • French: rafale descendante — air current
  • Polish: nawałnica — air current
  • Polish: szkwał — air current