Standard Lemma guide

retroaction

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

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

Any action that has an influence due to a past event

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

An opposing action; a reaction

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree Proto-Italic *wre- Latin re- Latin retrōder. English retro- Old French aucionbor. Middle English accioun English action English retroaction From retro- + action.

Across languages

Translations

4 source translations are retained for this English entry.

  • French: rétroaction — action with an influence due to a past event
  • Irish: aisghníomhú — action with an influence due to a past event
  • Italian: retroazione — action with an influence due to a past event
  • Italian: retroazione — opposing reaction