Overreact is defined as to react in an overly emotional or forceful way.
(verb)An example of overreact is someone crying hysterically after accidentally killing an ant.
See overreact in Webster's New World College Dictionary
intransitive verb
Related Forms:
See overreact in American Heritage Dictionary 4
intransitive verb o·ver·re·act·ed, o·ver·re·act·ing, o·ver·re·acts
Related Forms:
Learn more about overreact