반응해요 · 반응했어요 · 반응할 거예요 · 반응하세요
to react, to respond
Example
아기가 엄마 목소리에 바로 반응했어요.
The baby reacted right away to its mom's voice.
Word parts
반 back+응 respond
Literally 'respond back'.
Good to know
반응하다 is a natural reaction; 대응하다 is deliberately dealing with a problem.
Related words