agnosia

noun
ag·​no·​sia | \ ag-ˈnō-zhə How to pronounce agnosia (audio) , -shə \

Definition of agnosia

: loss or diminution of the ability to recognize familiar objects or stimuli usually as a result of brain damage

First Known Use of agnosia

1883, in the meaning defined above

History and Etymology for agnosia

borrowed from German Agnosie, borrowed from Greek agnōsía "lack of knowledge, ignorance," from a- a- entry 2 + -gnōsia (from gnôsis "knowledge" + -ia -ia entry 1) — more at gnosis

Learn More About agnosia

Time Traveler for agnosia

Time Traveler

The first known use of agnosia was in 1883

See more words from the same year

Dictionary Entries Near agnosia

Agnon

agnosia

agnosis

See More Nearby Entries 

Statistics for agnosia

Cite this Entry

“Agnosia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/agnosia. Accessed 24 Jan. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for agnosia

agnosia

noun
ag·​no·​sia | \ ag-ˈnō-zhə How to pronounce agnosia (audio) , -shə How to pronounce agnosia (audio) \

Medical Definition of agnosia

: loss or diminution of the ability to recognize familiar objects or stimuli usually as a result of brain damage — see visual agnosia

More from Merriam-Webster on agnosia

Britannica.com: Encyclopedia article about agnosia

WORD OF THE DAY

Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!