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Definition of mary jane
mary jane
Plural:Mary Janes
• noun
1
A style of flat, closed-toe shoe with a rounded toe and one or more straps across the instep, traditionally worn by girls and women.
Example
"She wore a classic pair of black patent-leather Mary Janes to the school recital."
2
Marijuana; cannabis (used as a slang term).
Example
"In 1960s counterculture music, references to Mary Jane were often thinly veiled allusions to cannabis."
Synonyms
View all synonyms for mary jane• Nearby Words
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Mary jane. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/mary-jane