overalert

/ˌoʊvərəˈlɜrt/
adjective
  1. Too watchful or too quick to notice things, often causing anxiety or unnecessary reactions.
    • After the break-in, she was overalert to every little noise in the house.
    • The security guard was so overalert that he stopped people for no reason.
    • Being overalert during a test can make you misread simple questions.
Antonyms
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