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react

verbnouncommon in dialogue

  • //ɹiːˈækt//

To act in response.

verb

  1. 1

    To act in response.

    How did she react to the news?

  2. 2

    archaicTo act or perform a second time; to do over again; to reenact.

    It is somewhat extraordinary, that the offence for which James II, was expelled, that of setting up power by assumption, should be re-acted, under another shape and form, by the parliament that expelled him.

  3. 3

    To return an impulse or impression; to resist the action of another body by an opposite force

    Every body reacts on the body that impels it from its natural state.

  4. 4

    To act upon each other; to exercise a reciprocal or a reverse effect, as two or more chemical agents; to act in opposition.

  5. 5

    To cause chemical agents to react; to cause one chemical agent to react with another.

  6. 6

    To post a reaction (icon or emoji indicating how one feels about a posted message).

Etymology

From re- + act. Piecewise doublet of redact.

noun

  1. 1

    An emoji used to express a reaction to a post on social media.

    Sad reacts only

Forms

plural
reacts
past tense
reacted
past participle
reacted
present participle
reacting
third person singular
reacts
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).