overreaction
over·reac·tion
noun
1.
an excessive reaction; a reaction with inappropriate emotional behavior
Origin
From over- + reaction.
Related words
Word family
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.