1951, in the meaning defined above
Keep scrolling for more
Time Traveler for psywar
See more words from the same year
Cite this Entry
“Psywar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/psywar. Accessed 19 Oct. 2021.
More from Merriam-Webster on psywar
Britannica.com: Encyclopedia article about psywar
See Definitions and Examples »
Get Word of the Day daily email!
Dog Words Quiz
Can you spell these 10 commonly misspelled words?
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
Top 10 Latin Phrases
Everyday words, confused every single day
Spelling isn't all black and white.
Try These Out At Your Next Happy Hour
A simple trick to keep them separate
How 'literally' can mean "figuratively"
How to use a word that (literally) drives some pe...
The awkward case of 'his or her'
Can you correctly identify these musical instrume...
Take the quiz
What treat did the Aztecs refer to as "bitter wat...