Gain access to thousands of additional definitions and advanced search features—ad free! JOIN NOW
1928, in the meaning defined above
by folk etymology (influenced by Spanish Juana Jane)
Keep scrolling for more
Share Mary Jane
Resources for Mary Jane
Time Traveler for Mary Jane
See more words from the same year
More from Merriam-Webster on Mary Jane
See words that rhyme with Mary Jane
Britannica English: Translation of Mary Jane for Arabic Speakers
Comments on Mary Jane
What made you want to look up Mary Jane? Please tell us where you read or heard it (including the quote, if possible).
to express warning or disapproval
Get Word of the Day daily email!
Autumn Words of the Day 2018
Test your knowledge - and maybe learn something along the way.
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!
A cavalcade of words for travel
Two words. One hundred years.
Words from the week of 11/9/2018
There's always room for another article.
And is one way more correct than the others?
The story of an imaginary word that managed to sneak past our editors and enter the dictionary.
How to use a word that (literally) drives some people nuts.
The awkward case of 'his or her'
(Secret October WOTD Quiz)
Name that government! Or something like that.
Build a chain of words by adding one letter at a time.