react

See also: React and reäct

English

Alternative forms

• reäct (rare)

Etymology

Etymology tree

Proto-Italic *wre-

Latin re-

Old French re-bor.

Middle English re-

English re-

Proto-Indo-European *h₂eǵ-

Proto-Indo-European *-eti

Proto-Indo-European *h₂éǵeti

Proto-Italic *agō

Latin agō

Proto-Indo-European *-tós

Proto-Italic *-tos

Latin -tus

Latin āctus

Latin ācta

Old French actbor.

Middle English acte

English act

English react

From re- +‎ act. Piecewise doublet of redact.

Pronunciation

• IPA^(key): /ɹiːˈækt/

• Audio (Southern England):

  (file)

• Rhymes: -ækt

Verb

react (third-person singular simple present reacts, present participle reacting, simple past and past participle reacted)

1. (intransitive) To act in response.

   Synonym: take

   How did she react to the news?

2. (transitive, now rare) To act or perform a second time; to do over again; to reenact. [from 17th c.]
   • 1791, Thomas Paine, Rights of Man: Being an Answer to Mr. Burke’s Attack on the French Revolution, London: […] J. S. Jordan, […], →OCLC:

     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. (physics, intransitive) 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. (chemistry, intransitive) To act upon each other; to exercise a reciprocal or a reverse effect, as two or more chemical agents; to act in opposition.
5. (chemistry, transitive) To cause chemical agents to react; to cause one chemical agent to react with another.
6. (Internet, intransitive) To post a reaction (icon or emoji indicating how one feels about a posted message).

Derived terms

• autoreact
• backreact
• crossreact
• hyperreact
• immunoreact
• immunoreacted
• misreact
• nonreacted
• overreact
• reactability
• reactable
• reactance
• react Anderson
• react Andy
• reactant
• reacter
• reactive
• reactogenic
• reactome
• reactor
• underreact
• unreact
• unreacted
• wrench react

Related terms

• interreact, interreaction

Translations

to act in response

• Esperanto: reagi
• Finnish: reagoida (fi)
• French: réagir (fr)
• Galician: reaccionar (gl)
• Georgian: რეაგირება (reagireba), რეაგირებს (reagirebs)
• Italian: reagire (it)
• Korean: 반응하다 (ko) (baneunghada)
• Polish: zareagować (pl) pf, reagować (pl) impf
• Portuguese: reagir (pt)
• Romanian: reacționa (ro)
• Russian: реаги́ровать (ru) impf (reagírovatʹ), отреаги́ровать (ru) pf (otreagírovatʹ), среаги́ровать (ru) pf (sreagírovatʹ)
• Spanish: reaccionar (es)

to act or perform a second time

• Bulgarian: изпълнявам отново (izpălnjavam otnovo)
• Finnish: tehdä uudelleen
• French: agir de nouveau, encore agir

to return an impulse or impression

• Bulgarian: реагирам (bg) (reagiram)
• Catalan: reaccionar (ca)
• Dutch: reageren (nl)
• Finnish: reagoida (fi), vaikuttaa vastaan
• French: réagir (fr)
• German: reagieren (de)
• Greek: αντιδρώ (el) (antidró)
• Occitan: reagir (oc)
• Polish: reagować (pl) impf, zareagować (pl) pf
• Portuguese: reagir (pt)
• Spanish: reaccionar (es)
• Swedish: reagera (sv)
• Turkish: reaksiyon göstermek
• Ukrainian: реагува́ти impf (reahuváty), відреагува́ти pf (vidreahuváty), зреагува́ти pf (zreahuváty)

to act upon each other (in chemistry)

• Arabic: تَفَاعَلَ (tafāʕala)
• Bulgarian: ^{(please verify)} взаимодействам (bg) (vzaimodejstvam)
• Catalan: ^{(please verify)} reaccionar (ca)
• Chinese:

  Mandarin: ^{(please verify)} 反應 / 反应 (zh) (fǎnyìng)

• Dutch: ^{(please verify)} reageren (nl)
• Finnish: reagoida (fi)
• French: réagir (fr)
• German: ^{(please verify)} reagieren (de)
• Greek: ^{(please verify)} αντιδρώ (el) (antidró)
• Irish: imoibrigh
• Japanese: ^{(please verify)} 反応する (ja) (はんのうする, hannō suru)
• Māori: ^{(please verify)} tauhohe
• Occitan: ^{(please verify)} reagir (oc)
• Polish: reagować (pl) impf, zareagować (pl) pf
• Portuguese: ^{(please verify)} reagir (pt)
• Russian: реаги́ровать (ru) impf (reagírovatʹ), прореаги́ровать (ru) pf (proreagírovatʹ), среаги́ровать (ru) pf (sreagírovatʹ)
• Sorbian:

  Lower Sorbian: ^{(please verify)} reagowaś impf, ^{(please verify)} reagěrowaś impf

• Spanish: ^{(please verify)} reaccionar (es)
• Swedish: ^{(please verify)} reagera (sv)
• Turkish: ^{(please verify)} reaksiyon vermek
• Ukrainian: ^{(please verify)} реагува́ти impf (reahuváty)
• Welsh: ^{(please verify)} adweithio (cy)

The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.

Translations to be checked

• Swedish: ^{(please verify)} reagera (sv)

Noun

react (plural reacts)

1. (Internet) An emoji used to express a reaction to a post on social media.

   Sad reacts only

Anagrams

• Carte, creat, acter, Certa, carte, crate, cater, caret, Cater, Trace, trace, recta

Portuguese

Etymology

Pseudo-anglicism.

Pronunciation

 

• (Brazil) IPA^(key): /ʁeˈa.ki.t͡ʃi/ [heˈa.ki.t͡ʃi], /ʁeˈak.t͡ʃi/ [heˈak.t͡ʃi], /ʁiˈɛ.ki.t͡ʃi/ [hiˈɛ.ki.t͡ʃi], (faster) /ˈʁjɛ.ki.t͡ʃi/ [ˈhjɛ.ki.t͡ʃi], /ʁiˈɛk.t͡ʃi/ [hiˈɛk.t͡ʃi], (faster) /ˈʁjɛk.t͡ʃi/ [ˈhjɛk.t͡ʃi]

• (Brazil) IPA^(key): /ʁeˈa.ki.t͡ʃi/ [heˈa.ki.t͡ʃi], /ʁeˈak.t͡ʃi/ [heˈak.t͡ʃi], /ʁiˈɛ.ki.t͡ʃi/ [hiˈɛ.ki.t͡ʃi], (faster) /ˈʁjɛ.ki.t͡ʃi/ [ˈhjɛ.ki.t͡ʃi], /ʁiˈɛk.t͡ʃi/ [hiˈɛk.t͡ʃi], (faster) /ˈʁjɛk.t͡ʃi/ [ˈhjɛk.t͡ʃi]
  • (Rio de Janeiro) IPA^(key): /ʁeˈa.ki.t͡ʃi/ [χeˈa.ki.t͡ʃi], /ʁeˈak.t͡ʃi/ [χeˈak.t͡ʃi], /ʁiˈɛ.ki.t͡ʃi/ [χiˈɛ.ki.t͡ʃi], (faster) /ˈʁjɛ.ki.t͡ʃi/ [ˈχjɛ.ki.t͡ʃi], /ʁiˈɛk.t͡ʃi/ [χiˈɛk.t͡ʃi], (faster) /ˈʁjɛk.t͡ʃi/ [ˈχjɛk.t͡ʃi]

Noun

react m (plural reacts)

1. (Brazil, Internet slang) a video reviewing or responding another video (not necessarily as a real-time reaction)