or 4/20 or 4:20
[ fawr-twen-tee, fohr‐ ]
/ ˈfɔrˈtwɛn ti, ˈfoʊr‐ /
marijuana: Are you carrying any 420 on you?
marijuana drug use: Police presence at the concert discouraged 420.The guys at the party were all 420-friendly.
the twentieth day of the fourth month, or the time 4:20, when referenced as a day or time for cannabis consumption or the celebration of marijuana culture: The head shop has a big pipe sale every year on 420.
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From Headlines To Hollywood To Hangry: New Words In The DictionaryThe latest update to Dictionary.com includes over 300 new words and definitions, reflecting everything from news stories to fashion trends. We’ve also updated several existing Dictionary.com entries. Once again, many new words came straight from the headlines, from Black Lives Matter and Burkini to alt-right and clicktivism. Some words like 420 and Kush reflect broader acceptance of marijuana use and culture, as it’s becoming medically …
Origin of 420
First recorded in 1970–75; a code word derived from the meeting time of a particular group of marijuana smokers in 1971, later popularized by fans of the band the Grateful Dead
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019