| 1. | to act in response to an agent or influence: How did the audience react to the speech? |
| 2. | to act reciprocally upon each other, as two things. |
| 3. | to act in a reverse direction or manner, esp. so as to return to a prior condition. |
| 4. | to act in opposition, as against some force. |
| 5. | to respond to a stimulus in a particular manner: reacting to a shock by jumping; to react to the word “coward” with anger. |
| 6. | to undergo a chemical reaction. |
react re·act (rē-ākt')
v. re·act·ed, re·act·ing, re·acts
To act in response to a stimulus.
To undergo a chemical reaction.