Medical Dictionary

overreact

vi over·re·act \ˌō-və(r)-rē-ˈakt\

Medical Definition of OVERREACT

:  to react excessively or too strongly <the body's immune system overreacts to the endotoxin—Tina Adler>
over·re·ac·tion \-ˈak-shən\ noun
May 06, 2015
dauntless Hear it
fearless or very brave
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears