reaccionar
“reaccionar” means “to react” in Spanish. It has 2 different meanings depending on context:
to react
Also: to respond
📝 In Action
Ella reacciona con una sonrisa cuando me ve.
A1She reacts with a smile when she sees me.
No sé cómo reaccionar ante este problema.
A2I don't know how to react to this problem.
Los mercados reaccionaron mal a la noticia del lunes.
B2The markets reacted poorly to Monday's news.
to come to, to recover
📝 In Action
El paciente finalmente reaccionó después del desmayo.
B1The patient finally came to after fainting.
Afortunadamente, el herido reaccionó camino al hospital.
B2Fortunately, the injured person regained consciousness on the way to the hospital.
🔄 Conjugations
subjunctive
imperfect
present
indicative
preterite
imperfect
present
Translate to Spanish
✏️ Quick Practice
Quick Quiz: reaccionar
Question 1 of 3
Which sentence means 'He reacts to the cold'?
📚 More Resources
👥 Word Family▼
📚 Etymology▼
From the Latin prefix 're-' (meaning back or again) combined with 'agere' (meaning to do or act).
First recorded: 17th century
Cognates (Related words)
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Frequently Asked Questions
Is 'reaccionar' irregular in any tense?
No, it is a perfectly regular -ar verb. It follows the same rules as 'hablar' or 'caminar' in every single tense.
What is the difference between 'reaccionar a' and 'reaccionar ante'?
They are very similar. 'A' is more direct (like 'to'), while 'ante' is slightly more formal and means 'in the face of' or 'given the situation'.
Can I use 'reaccionar' for chemical experiments?
Yes! Just like in English, it is used when two substances are mixed and something happens.