noun. a response, specifically an emotional reaction, which goes beyond an proper level.

OVERREACTION: "Tina's over-reaction to Brandy's comment was noticed by everyone in the room, and they all came to question what might be going on with Tina's own marriage behind closed doors that would cause her to lash out at Brandy like that."
Cite this page: N., Pam M.S., "OVERREACTION," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/overreaction/ (accessed October 29, 2020).