overreact
verb (used without object)
to react or respond more strongly than is necessary or appropriate.
overreacts
-
present tense formof overreact (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.
In Novartis’s trial, three people died of a rare complication in which the immune system overreacts.
From The Wall Street Journal ● Sep. 3, 2026
The financial press often overreacts about the bullish or bearish momentum behind popular investment themes.
From MarketWatch ● Feb. 6, 2026
Sepsis develops when the body's immune system overreacts to an infection and begins damaging its own tissues and organs.
From Science Daily ● Jan. 30, 2026
Sepsis is a life-threatening reaction to an infection that occurs when the immune system overreacts and starts to damage the body’s tissues and organs.
From Seattle Times ● May 22, 2024
Sepsis is a rare but serious condition that develops when the body's immune system overreacts to an infection and starts attacking its own tissues and organs.
From BBC ● May 21, 2024
