overreact - definition and synonyms

verb [intransitive] 

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/ˌəʊvəriˈækt/
present tense
I/you/we/theyoverreact
he/she/itoverreacts
present participleoverreacting
past tenseoverreacted
past participleoverreacted
  1. to be more worried, annoyed, or offended by something than you should be
    overreact to:

    It’s important not to overreact to a perceived threat.