Prefixes a- for- fore-

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Across
  1. 2. not sleeping
  2. 3. a sight taken forwards
  3. 4. to predict events
  4. 8. to not remember
  5. 9. to go without
  6. 10. an indication of future events
  7. 12. refuse to allow
  8. 13. in the lead
Down
  1. 1. on the subject of
  2. 2. from one side to the other
  3. 4. a weather presenter when predicting the weather
  4. 5. loudly
  5. 6. most important position
  6. 7. no longer be mad at someone about something
  7. 10. lower part of the arm
  8. 11. seperated