Braxton's extremely fractious Crossword

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Across
  1. 2. Expression
  2. 4. An addictive drug, usually smuggled through Jamaica
  3. 5. Not conquered or overcome
  4. 8. Anything before 1 A.D.
  5. 9. Fake, showoff
Down
  1. 1. Nickname, alias
  2. 3. Humanlike
  3. 4. A scientific device powered by flapping wings
  4. 6. Enemy
  5. 7. Paralyzed, barbituized musculoskeletalaly
  6. 8. Guess the existence of, truth, or reality of