1961, in the meaning defined above
Keep scrolling for more
Share conspiracy theorist
Time Traveler for conspiracy theorist
See more words from the same year
conspiracy of silence
20 Jan 2021
Cite this Entry
“Conspiracy theorist.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/conspiracy%20theorist. Accessed 3 Mar. 2021.
Comments on conspiracy theorist
What made you want to look up conspiracy theorist? 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!
February 2021 Words of the Day Quiz
Test your visual vocabulary with our 10-question challenge!
Spell words. Make bears.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
Let's take it from the top.
Knowing the difference
Words from the week of 2/26/2021
From ideals to friendships
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'
Our most challenging yet!
How many of these commonly confused words do you ...
Test your visual vocabulary with our 10-question ...