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420

American  
[fawr-twen-tee, fohr‐] / ˈfɔrˈtwɛn ti, ˈfoʊr‐ /
Or 4:20 or 4/20

noun

Slang
  1. marijuana.

    Are you carrying any 420 on you?

  2. marijuana drug use: The guys at the party were all 420-friendly.

    Police presence at the concert discouraged 420.

    The guys at the party were all 420-friendly.

  3. 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.


Usage

What is 420? 420 is a slang term (or a kind of code word) referring to marijuana or marijuana use.Due to this association, 420 is also used as the name of an unofficial holiday that marijuana enthusiasts celebrate by using marijuana. It is sometimes called Weed Day (weed is a slang term for marijuana).

Etymology

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In a 420 word-long post on X, OpenAI CEO Sam Altman hit back, calling Anthropic "dishonest" and "deceptive" - and even accusing the firm of using "doublespeak".

From BBC

Demand for gold was the biggest ever for a fourth quarter, reaching 1.303 tons, boosted by ETF inflows and a 12-year high for bar- and coin-buying of 420 tons — a 30% annual gain.

From MarketWatch

That’s an increase of 69%, costing the family an additional $3,420 this year.

From Los Angeles Times

Moeen, a two-time World Cup winner, joins the White Rose as one of England's most accomplished white-ball cricketers, scoring 7,792 runs and taking 271 wickets in 420 T20 matches.

From BBC

The median California home sold for $877,285 in 2024, according to the California Assn. of Realtors, compared with about $420,000 nationwide, per Federal Reserve economic data.

From Los Angeles Times