Meaning

• Adj

  1. Firmly or securely fixed in place; stable.
  2. Firm against attack; fortified by nature or art; impregnable; strong.
  3. Steadfast, with unwavering feeling. (Now mostly in set phrases like fast friend(s).)
  4. Moving with great speed, or capable of doing so; swift, rapid.
  5. Moving with great speed, or capable of doing so; swift, rapid.
  6. Of a place, characterised by business, hustle and bustle, etc.
  7. Causing unusual rapidity of play or action.
  8. Able to transfer data in a short period of time.
  9. Deep or sound (of sleep); fast asleep (of people).
  10. Not running or fading when subjected to detrimental conditions such as wetness or intense light; permanent.
  11. (obsolete) Tenacious; retentive.
  12. Having an extravagant lifestyle or immoral habits.
  13. Ahead of the correct time or schedule.
  14. More sensitive to light than average.

• Adv
• Noun
• Intj
• Verb
• Noun