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Showing results for hyperactivity.
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.

Additional research linked consumption to increased hyperactivity in children.

From Salon • Apr. 11, 2026

Strong clinical evidence supports melatonin's short term benefits for children with neurodevelopmental disorders such as autism and attention deficit hyperactivity disorder.

From Science Daily • Mar. 15, 2026

Children also are on screens more than ever, which is believed to contribute to more anxiety, depression, aggression and hyperactivity.

From Los Angeles Times • Feb. 17, 2026

Their claim that acetaminophen—the main active ingredient in Tylenol—can cause autism and attention deficit hyperactivity disorder if taken during pregnancy was rejected in federal multi-district litigation in 2023.

From The Wall Street Journal • Oct. 29, 2025

And the more I began to appreciate what she did for my family, the less her accent and hyperactivity bothered me.

From "Where Things Come Back" by John Corey Whaley