420

noun5

1. •
   (US, slang) Cannabis.

   • Sunday is 420 day, when lovers of marijuana get together to celebrate their fondness for weed. — 2025
2. •
   (US, slang) Pertaining to cannabis, its consumption, or cannabis culture.

   • Late nights at the recording studio were always 420 friendly.
3. •
   (US, slang) April 20 (abbreviated 4/20 in the US), as an occasion to celebrate cannabis culture.
4. •
   A particular type of monohull dinghy with two sails, designed for two people.
5. •
   fraudster, cheater, forger; a smooth operator