agrammatism

[ey-gram-uh-tiz-uhm, uh-gram-]

noun

Pathology.

1. a type of aphasia, usually caused by cerebral disease, characterized by an inability to construct a grammatical or intelligible sentence while retaining the ability to speak single words.

Word History and Origins

Origin of agrammatism¹

1880–85; < Greek agrámmat ( os ) illiterate ( a- a- ⁶ + grammat- (stem of grámma letter) + -os adj. suffix) + -ism

Example Sentences

Agrammatism in child-language always appears in company with acataphasia, often also in insane persons.

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