agnosia

American

[ag-noh-zhuh, -zhee-uh, -zee-uh] / ægˈnoʊ ʒə, -ʒi ə, -zi ə /

noun

Psychiatry, Psychology, Neurology.

partial or total inability to recognize objects by use of the senses.

agnosia British

/ æɡˈnəʊzɪə /

noun

psychol loss or diminution of the power to recognize familiar objects or people, usually as a result of brain damage

"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

Other Word Forms

Derived Forms

agnosic

adjective

Etymology

Origin of agnosia

1895–1900; < Greek agnōsía ignorance, equivalent to ágnōt ( os ) unknown ( see agnostic) + -ia -y ³

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.

Agnosia is very, very much central to Alzheimer's.

From Salon • May 9, 2022

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023