Disallowed Usernames

A curated list of base words disallowed for use as usernames. This list helps prevent fraud (impersonation), protects reserved system keywords, and ensures that user profile URLs (e.g., domain.com/{username}) remain conflict-free.

⚠️ Important Usage Note

This list provides base words only. Using it directly might not be sufficient for a production system.

You are strictly encouraged to:

1. Customize it: Adapt the list to fit your specific application requirements.
2. Implement a TextSanitizer: Create your own logic to clean and validate inputs.
3. Handle Leetspeak Normalization: You must implement your own normalization logic to catch variations (e.g., blocking 4dm1n if admin is banned).

Format

• Multi-word terms are separated by underscores (_).
• The list intentionally avoids dots (.) or dashes (-) to maintain a consistent base format.

Available Lists

• 🇺🇸 Global / English (en):

  • Base Words: en/en.txt
  • Brands: en/en.brands.txt
  • Public Figures: en/en.figures.txt
  • Note: "en" mainly represents International/Global usage, not strictly just English. It may contain terms widely used across the world.

• 🇮🇩 Indonesian (id):

  • Base Words: id/id.txt
  • Brands: id/id.brands.txt
  • Public Figures: id/id.figures.txt

Contributing

If you find missing words or have improvements, Pull Requests are very welcome!

Disclaimer

This is NOT a profanity or "bad words" list. For a list of bad words (profanity/offensive terms), please refer to: github.com/abaron/bad-words