verb (used without object)
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OTHER WORDS FROM overreacto·ver·re·ac·tion, noun
Example sentences from the Web for overreact
The danger of a potential Republican overreach or overreaction was clearly on the minds of people in both parties Wednesday.
Overreaction is still a concern that worries public-health experts.
Indeed, public condemnation and overreaction by state authorities may serve only to make the Ebola outbreak worse.
What seems more likely is that this was a gross overreaction from the start.
“I think there is overreaction now,” said Earl Ofari Hutchinson, president of the Los Angeles Urban Policy Roundtable.