English Reference
verb

retaliate

v.
US /ɹiˈtæɫiˌeɪt/ UK /ɹɪtˈælɪˌeɪt/ re·tal·i·ate UK spelling retaliated, retaliates, retaliating

  1. 01 B2 Upper Intermediate

    to hurt someone or do something negative to them because they attacked or offended you first.

    to return like for like, especially to inflict a counter-injury as a form of revenge or defensive response.

    Simple

    The army warned that it would retaliate if the border was crossed again.

    In context

    The corporation threatened to retaliate against the smaller firm by launching a series of aggressive lawsuits in multiple jurisdictions.

    Usage

    Usually used as an intransitive verb followed by the preposition 'against' or 'by'.

    Pitfall
    He retaliated his brother for the insult. He retaliated against his brother for the insult.

    In modern English, this verb is intransitive and requires the preposition 'against' before the person you are targeting.

    hit backstrike backrevenge
  2. 02 C1 Advanced Formal

    to respond to an action by doing the same thing back to the other person.

    to repay or requite an action with one of the same kind; often used in diplomatic or formal contexts.

    Simple

    When the country raised taxes on imports, its neighbour decided to retaliate with similar measures.

    In context

    Diplomatic protocols often dictate that a government will retaliate in kind when its officials are expelled from a foreign capital.

    Usage

    Often appears in the phrase 'retaliate in kind'.

    reciprocaterequite

Stripping EU citizens of their rights could lead to member states retaliating against the UK.

BBC News· 17 Aug 2026

Mundubile said there was “no political language that can sanitise what happened”, but he appealed to his supporters not to retaliate.

Al Jazeera· 17 Aug 2026

From Latin retāliātus, past participle of retāliō (“to requite, retaliate”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin retāliātus
Level B2 · Upper Intermediate
Frequency Occasional
Updated