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aphasia

American  
[uh-fey-zhuh] / əˈfeɪ ʒə /

noun

Pathology.
  1. an impairment of a previously held ability to produce or understand spoken, written, or signed language, due to disease or injury of the brain.


aphasia British  
/ əˈfeɪzɪə /

noun

  1. a disorder of the central nervous system characterized by partial or total loss of the ability to communicate, esp in speech or writing Compare alexia

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

aphasia Scientific  
/ ə-fāzhə /
  1. Partial or total loss of the ability to articulate ideas or comprehend spoken or written language, resulting from damage to the brain that is caused by injury or disease.


Other Word Forms

Derived Forms

Etymology

Origin of aphasia

First recorded in 1865–70; from Greek: literally “speechlessness,” equivalent to a- a- 6 + phat(ós) “spoken” (derivative of phánai “to speak”) + -ia -ia

Compare meaning

How does aphasia compare to similar and commonly confused words? Explore the most common comparisons:

Explanation

Aphasia is the inability to express or comprehend written or spoken words. If you can understand this sentence, you don't have it. Aphasia is a medical condition caused by serious brain damage. However, you can also use it to dramatically exaggerate. If you don’t understand the scientific language in a biology textbook, you might feel like you’re suffering from aphasia.

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Vocabulary lists containing aphasia

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.

Aphasia is a condition that makes it difficult to communicate, affecting speaking, reading and writing, and often follows a stroke or brain injury.

From BBC • May 17, 2026

Aphasia has a wide-ranging effect on the functional capacity and quality of life of affected individuals and easily leads to social isolation.

From Science Daily • May 16, 2024

Aphasia is a symptom of some other underlying condition, such as dementia, stroke or head injury.

From Salon • Mar. 7, 2024

Aphasia, a brain disorder that can lead to problems speaking or understanding words, can be a symptom of it.

From Seattle Times • Feb. 22, 2024

When, again, an injury comes to the auditory centre in the temporal region, we find the converse of the case just described; the defect is then called Auditory Aphasia.

From The Story of the Mind by Baldwin, James Mark

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