hyperactive

The definition of hyperactive is having extreme levels of activity.

(adjective)

An example of someone hyperactive is a person who can bounce around all day and never tire out.

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See hyperactive in Webster's New World College Dictionary

adjective

extremely, esp. abnormally, active

Related Forms:

See hyperactive in American Heritage Dictionary 4

adjective
  1. Highly or excessively active: a hyperactive thyroid gland.
  2. a. Having behavior characterized by overactivity.
    b. Having attention deficit disorder. Not in scientific use.

Related Forms:

  • hyˌper·acˈtive·ly adverb
  • hyˌper·ac·tivˈi·ty noun

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