14th century, in the meaning defined at sense 1
Latin, from Greek Lēthē, from lēthē forgetfulness; akin to Greek lanthanein to escape notice, lanthanesthai to forget — more at latent
Keep scrolling for more
Time Traveler for lethe
See more words from the same century
Cite this Entry
“Lethe.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lethe. Accessed 8 May. 2021.
More from Merriam-Webster on lethe
Britannica.com: Encyclopedia article about lethe
Comments on lethe
What made you want to look up lethe? 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!
Star Wars Words Quiz
Can you spell these 10 commonly misspelled words?
Spell words. Make bears.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
Words from the week of 5/7/2021
Spelling out the difference
Depends where you're from
Button up that vest
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'
Is the Force strong in you?
How well have you been paying attention this month?