[ ey-gram-uh-tiz-uh m, uh-gram- ]
/ eɪˈgræm əˌtɪz əm, əˈgræm- /

noun Pathology.

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.

Origin of agrammatism

1880–85; < Greek agrámmat(os) illiterate (a- a-6 + grammat- (stem of grámma letter) + -os adj. suffix) + -ism
Also called a·gram·ma·pha·sia [ey-gram-uh-fey-zhuh, -zee-uh, uh-gram-] /eɪˌgræm əˈfeɪ ʒə, -zi ə, əˈgræm-/, ag·ram·mat·i·ca [ag-ruh-mat-i-ka] /ˌæg rəˈmæt ɪ kæ/, a·gram·ma·to·lo·gi·a [ey-gram-uh-tl-oh-jee-uh, uh-gram-] /eɪˌgræm ə tlˈoʊ dʒi ə, əˌgræm-/. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for agrammatism

Medicine definitions for agrammatism

[ ā-grămə-tĭz′əm, ə-grăm- ]


A form of aphasia characterized by the inability to produce a grammatical or intelligible sentence.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.