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Across
  1. 3. Formal great skill at doing something.
  2. 6. A large quantity of something.
  3. 8. To fully enjoy the taste or smell of something.
  4. 9. Idea, plan etc is different from the one you have and can be used instead.
  5. 12. Wall, room etc is one that sound cannot pass through or into.
  6. 14. To become or make something become lower in price or value.
  7. 16. Artist, writer etc produces many works of art, books etc.
  8. 17. A place where goods are sold to the public.
Down
  1. 1. The thing that is measured in minutes, hours, days, years etc using clocks.
  2. 2. In or through the middle of a group of people or things.
  3. 3. A light steady push against something small.
  4. 4. An instrument that measures how far you walk.
  5. 5. A change, discovery, or invention that brings progress.
  6. 7. To change, or to make someone or something change.
  7. 10. A place where an organized meeting, concert etc takes place.
  8. 11. A secret plan by a group of people to do something harmful or illegal.
  9. 13. When something or someone is liked or supported by a lot of people.
  10. 14. Short, with no unnecessary words.
  11. 15. To improve the quality of something, especially by adding things to it.
  12. 18. To remove information from a computer memory or recorded sounds from a tape.