noun

• Siddhartha Gautama, the Nepali prince and Indian philosopher and teacher who founded Buddhism.
• Any other person considered similarly enlightened in Buddhist contexts.
• Any other person considered similarly enlightened in other contexts.
• (figurative, ironic) Synonym of know-it-all or smartass, a person who imagines themselves smarter or wiser than they are.
• A statue or image of any Buddha.
• A human being who has become enlightened (in Buddhism).
• A statue or image of the Buddha.
• (uncountable, informal) Marijuana.