Thesaurus.com
Dictionary.com
Definitions

hyperactivity

[hahy-per-ak-tiv-i-tee] / ˌhaɪ pər ækˈtɪv ɪ ti /
NOUN
attention deficit disorder
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

A Kenvue spokesman said the ruling Monday “does not change the fact that credible, independent science shows no proven link between taking acetaminophen and autism or attention-deficit hyperactivity disorder.”

From The Wall Street Journal Jul. 13, 2026

Her latest album, "ADHDara," is inspired by her "hyperactivity".

From Barron's May 17, 2026

All three have autism, and one has severe attention-deficit hyperactivity disorder.

From Los Angeles Times Apr. 13, 2026

Additional research linked consumption to increased hyperactivity in children.

From Salon Apr. 11, 2026

These so-called comorbidities—meaning the conditions co-occur with Internet addiction—include “attention-deficit hyperactivity, mood, anxiety and personality disorders.”

From "A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age" by Matt Richtel




Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training