Learn English  

Blue Level


Red Level


Yellow Level


Green Level


Purple Level


Orange Level


Violet Level


Video Lessons




American Speech




How to Learn




U.S. Citizenship










To react is to respond to something. Something happens and then there is a result. There could be a change or no change at all.

simple past past participle
  • Passengers on the bus reacted with anger when they were told to get off and wait outside for a new bus to show up.
  • The children reacted with glee at the sight of the newly fallen snow.
  • Nataly didn't react well when her boyfriend broke up with her.
  • How do you think the students will react when they find out they have to take another test this week?
  • The patient is reacting well to the new medication.


How do you think he will react?

What will be his reaction?

The word "reaction" is a noun:

  • What was the woman's reaction when she heard the news?
  • Mario had a bad reaction to his new medication, so the doctor prescribed something else.
  • There was little to no reaction among the people of the country when they found our their leader was dead.
  • We're expecting a positive reaction from our employees when they find out we're raising their salaries.
  • The falling of dominoes is a good example of a chain reaction.

dominoes dominoes

Click here to go to the Word of the Day page.


First published on November 21, 2015







© 2018 Learn American English Online. All rights reserved.