react

Meanings

1. 1
   verb

   undergo a chemical reaction

   react with another substance under certain conditions

2. 2
   verb

   act against or in opposition to

   I react negatively to everything sometimes.

3. 3
   verb

   To act in response.

   How did she react to the news?

4. 4
   verb

   To act or perform a second time; to do over again; to reenact.

   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.

5. 5
   verb

   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.

6. 6
   noun

   An emoji used to express a reaction to a post on social media.

   Sad reacts only

7. 7
   verb

   show a response or a reaction to something

8. 8
   verb

   To act upon each other; to exercise a reciprocal or a reverse effect, as two or more chemical agents; to act in opposition.

Etymology

From re- + act. Piecewise doublet of redact.