Dictionary.com
Thesaurus.com
Synonyms

cognitive impairment

American  
[kog-ni-tiv im-pair-muhnt] / ˈkɒg nɪ tɪv ɪmˈpɛər mənt /

noun

  1. a temporary or permanent loss of mental functions, causing forgetfulness, lack of concentration, learning difficulties, and other reductions in effective thinking.


Etymology

Origin of cognitive impairment

First recorded in 1960–65

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.

As these drugs have given new hope to millions of people with dementia or cognitive impairment, and sales worldwide are skyrocketing, the implications are potentially huge.

From MarketWatch • Apr. 18, 2026

For mild cognitive impairment, those with higher enrichment developed symptoms at an average age of 85, compared to age 78 for those with lower enrichment, a seven-year delay.

From Science Daily • Apr. 15, 2026

The researchers also observed that people diagnosed with mild cognitive impairment or dementia showed weaker vascular function compared to cognitively normal participants.

From Science Daily • Feb. 24, 2026

As the population ages, more workers are going to face cognitive impairment.

From The Wall Street Journal • Feb. 15, 2026

As a dementia researcher, I am legally required to translate my documentation into formats that are easy for people with cognitive impairment to read.

From The Wall Street Journal • Feb. 14, 2026

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "cognitive impairment" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com