overactive

play
adjective over·ac·tive \-ˈak-tiv\

Definition of overactive

  1. :  excessively or abnormally active <overactive glands> <an overactive imagination>

overactivity

play \-ak-ˈti-və-tē\ noun

Examples of overactive in a sentence

  1. She has an overactive bladder.

  2. His crazy ideas are products of an overactive imagination.

1647

First Known Use of overactive

1647


OVERACTIVE Defined for English Language Learners

overactive

play
adjective over·ac·tive \-ˈak-tiv\

Definition of overactive for English Language Learners

  • : too active especially in a way that produces a bad result


Medical Dictionary

overactive

play
adjective over·ac·tive \ˌō-və-ˈrak-tiv\

Medical Definition of overactive

  1. :  excessively or abnormally active <an overactive mind> <overactive glands>

overactivity

\-ˌrak-ˈtiv-ət-ē\play noun plural

overactivities



Seen and Heard

What made you want to look up overactive? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

an alert or lookout

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • alphabet-magnets
  • Which is the correct spelling?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ