Third-person singular simple present indicative form of overreact.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "overreacts" in a sentence
"Market 'overreacts' as dollar down THE dollar was weaker at noon, after US Federal Reserve chairman Ben Bernanke spelled out an uncertain future for the US economic recovery."
"In the cases of respiratory infections, cytokines plays a part in a potentially fatal immune reaction called a "cytokine storm," in which the immune system of a healthy person goes haywire and "overreacts" to an infection."
"Sarah Palin clearly can't run her own household, she bailed on the state of Alaska, she overreacts to every single thing written or said about her, yet she wants to be taken seriously."