1899, in the meaning defined above
New Latin, literally, premature dementia
Keep scrolling for more
Share dementia praecox
Time Traveler for dementia praecox
See more words from the same year
Cite this Entry
“Dementia praecox.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dementia%20praecox. Accessed 26 Oct. 2020.
More Definitions for dementia praecox
More from Merriam-Webster on dementia praecox
Britannica.com: Encyclopedia article about dementia praecox
Comments on dementia praecox
What made you want to look up dementia praecox? Please tell us where you read or heard it (including the quote, if possible).
See Definitions and Examples »
Get Word of the Day daily email!
Namesakes Word Quiz
Can you spell these 10 commonly misspelled words?
Test Your Knowledge - and learn some interesting things along the way.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
Dictionary secrets, revealed!
Words from the week of 10/23/2020
Grab your popcorn and candy
Whereas 'coronary' is not so much
We're intent on clearing it up
We're gonna stop you right there
How to use a word that (literally) drives some pe...
The awkward case of 'his or her'
When names become words and then we ask you about...
Not your children's farm quiz.
Do you know the person or title these quotes desc...