Going Up and Down

12345678910111213
Across
  1. 2. to fall very quickly and suddenly
  2. 3. to stop rising or falling and stays at the same level
  3. 9. to rise extremely quickly
  4. 10. to become less, or to make something become less
  5. 11. to reduce something by half
  6. 13. to (make something) become larger in amount or size
Down
  1. 1. to become twice as much or as many, or to make something twice as much or many
  2. 4. to change or vary frequently between one level or thing and another
  3. 5. to fall or to allow something to fall
  4. 6. to improve after a difficult period or after falling in value
  5. 7. to increase in weight, speed, height, or amount
  6. 8. to gradually become less, worse, or lower
  7. 12. to reach the highest, strongest, or best point, or value