Thesaurus.com
Dictionary.com
Showing results for hyperactivity. Search instead for hypercivili.
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:

There might be coaches who could help with issues like attention deficit hyperactivity disorder or therapists she could talk to about her mental health.

From MarketWatch Jul. 29, 2026

The plaintiffs argue that Tylenol use during pregnancy can lead to autism or attention deficit hyperactivity disorder in children.

From Barron's Jul. 13, 2026

Rivera, who lives in South Gate, has a 6-year-old daughter who is autistic and has attention deficit hyperactivity disorder and a 16-year-old son who is autistic and nonverbal.

From Los Angeles Times Apr. 13, 2026

"In our situation, we assume that the shift in membrane composition is triggered by hyperactivity of the affected neurons due to Alzheimer's disease. That is, these neurons exhibit abnormal firing."

From Science Daily Apr. 11, 2026

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




Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

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

Start training