The definition of aphasia is the loss of the ability to understand or say words, often as a result of brain damage.(noun)
An example of aphasia is not being able to speak after a bad head injury.
See aphasia in Webster's New World College Dictionary
Origin: ModL < Gr < aphatos, unuttered < a-, not + phatos < phanai, to say: see phono-
See aphasia in American Heritage Dictionary 4
Origin: , from aphatos, speechless
Origin: : a-, not; see a-1
Origin: + phatos, spoken, speakable (from phanai, to speak; see -phasia).
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