react
verb (used without object)
to act in response to an agent or influence.
reacts
-
present tense formof react (3rd person singular).present tense
Used to describe things happening now or regularly.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The Tesla’s cameras can see jaywalkers before I do, oncoming headlights don’t blind it, and the car reacts faster than I can.
From The Wall Street Journal ● Aug. 4, 2026
The technology can operate with fuels other than hydrogen, but hydrogen is especially suitable because it reacts very quickly and can produce stable increases in pressure.
From Science Daily ● Aug. 4, 2026
As that acidic water reacts with certain rocks -- limestone, for instance -- it releases carbon dioxide into the atmosphere.
From Barron's ● Jul. 22, 2026
Finally, as with all previous administrations, how a Burnham-led government reacts to events beyond its control may have the biggest impact on the money in people's pockets.
From BBC ● Jul. 20, 2026
My body reacts before my mind does and I’m running out the door, across the lawns of the Victor’s Village, into the dark beyond.
From "Catching Fire" by Suzanne Collins
