Definitions

attention deficit disorder

[uh-ten-shuhn def-uh-sit dis-awr-der] / əˈtɛn ʃən ˈdɛf ə sɪt dɪsˌɔr dər /

NOUN

learning disability

Synonyms

WEAK

ADHD add hyperactiveness hyperactivity short attention span

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.

There remains no settled science on a causal link between Tylenol and autism or attention deficit disorder.

From The Wall Street Journal • Oct. 29, 2025

Figures were also far higher for pupils with additional learning needs, including those with attention deficit disorder.

From BBC • Dec. 6, 2024

Hanna first denied having any issues, chalking up his forgetfulness and mild cognitive impairment to old age and his longtime attention deficit disorder.

From Los Angeles Times • Jun. 21, 2023

Q: I need to take Adderall for attention deficit disorder.

From Seattle Times • Mar. 29, 2023

But Mr. Brunner expected me to be as good as everybody else, despite the fact that I have dyslexia and attention deficit disorder and I had never made above a C— in my life.

From "The Lightning Thief" by Rick Riordan