reaction
/riˈækʃn रिˈऐक्श्न्/ noun 1 [C, U] (a) reaction (to somebody/something) something that you do or say because of something that has happened (किसी की) प्रतिक्रिया (व्यवहार या वाणी द्वारा व्यक्त)
Could we have your reaction to the latest news, Prime Minister?
I shook him to try and wake him up but there was no reaction.
2 [C, U] (a) reaction (against somebody/something) behaviour that shows that you do not like the influence of somebody/something (for example authority, your family, etc.) किसी व्यक्ति या वस्तु के अप्रीतिकर आचरण पर नकारात्मक प्रतिक्रिया
3 [C] a reaction (to something) a bad effect that your body experiences because of something that you have eaten, touched or breathed (किसी वस्तु को खाने, छूने या सूँघने से) शरीर पर पड़ा कुप्रभाव
She had an allergic reaction to something in the food.