reagera
react
Att svara på något som händer, till exempel med känslor, ord eller handling.
Definition & meaning
Reagera means to react or respond to something, whether through a feeling, an action, or a physical or chemical change.
- Hon reagerade starkt på nyheten. — She reacted strongly to the news.
- Ämnena reagerar med varandra. — The substances react with each other.
Grammar & Word origin
Reagera is a verb:
- Infinitive: reagera
- Present: reagerar
- Past: reagerade
- Supine: reagerat
It often takes the preposition på when referring to what prompts a reaction. In chemistry, med can indicate what a substance reacts with.
The word comes through French from Latin reagere, meaning “act in response,” formed from re- (“back”) and agere (“to act”).
Synonyms & antonyms
- svara — “to answer” or “respond”; often involves a more deliberate reply.
- gensvara — “to respond”; often suggests responding positively or reciprocally.
- ignorera — “to ignore”; an approximate opposite when someone deliberately pays no attention.
Common phrases & collocations
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Examples
Han kan reagera snabbt.verb
He can react quickly.
Hur reagerade du när väskan försvann?verb
How did you react when the bag disappeared?
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