Crossword very fun

123456789101112131415
Across
  1. 2. to move making the sound of an engine running slowly
  2. 5. used to express a concession or recognition that something is the case
  3. 7. a sudden attack or incursion into enemy territory, especially to obtain something; a raid
  4. 9. to move slowly, quietly and carefully, because you do not want to be seen or heard
  5. 10. during the course of a journey; on the way
  6. 11. to move smoothly and quietly, especially as though it takes no effort
  7. 12. to stop
  8. 13. to walk along with long steps in a particular direction
  9. 14. to walk somewhere in a slow relaxed way
Down
  1. 1. to move very fast in a particular direction
  2. 2. contribute extra features to (someone or something) in such a way as to improve or emphasize their qualities.
  3. 3. to move forward towards sb/sth, often in order to attack or threaten them or it
  4. 4. synonym of unfortunately (used to express apology for or sadness at something)
  5. 6. to move quietly and carefully around an area, especially with the intention of committing a crime
  6. 8. To start to go faster
  7. 15. make a choice from a range of possibilities