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Definition of "overactive" []

  • Active to an excessive or abnormal degree: an overactive child. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "overactive" in a sentence
  • "Apparently, and I don't have this on good authority unless you call my overactive imagination "good authority", the site was being sued by the families of both Mighty Joe Young and Mighty Mouse over copyright infringement."
  • "A doctor once told me it's called an "overactive checker" or as I like to think of it, my OC."
  • "She just has what doctors would call overactive tear ducts."