Tri-Tri

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Across
  1. 3. huge, very big
  2. 4. clustered
  3. 8. difficult task
Down
  1. 1. away from the coast or sea
  2. 2. in the direction opposite to the flow of a stream adventurous
  3. 5. together as one
  4. 6. large body of salt water
  5. 7. climbing
  6. 9. young of the fish