Dictionary

hyperactive

adjective hy·per·ac·tive \ˌhī-pər-ˈak-tiv\

: extremely active or too active

Full Definition of HYPERACTIVE

1
:  affected with or exhibiting hyperactivity; broadly :  more active than is usual or desirable
2
:  intricately or elaborately designed or detailed
hyperactive noun

Examples of HYPERACTIVE

  1. <the skyrocketing price of oil resulted in a wildly fluctuating, hyperactive stock market>
  2. <hyperactive children who are in dire need of a guardian with a firm hand>

First Known Use of HYPERACTIVE

1867

Browse

Next Word in the Dictionary: hyperactivityPrevious Word in the Dictionary: hyperacidityAll Words Near: hyperactive
May 03, 2015
predicate Hear it
to base (something) on something else
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears