A wrinkle in time

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Across
  1. 3. feeling sick
  2. 6. no light can go through
  3. 7. joyful, muffled laugh
  4. 9. wandering aimlessly to search for pleasure
  5. 11. not unusual or special
  6. 13. a show of courage
  7. 14. artificial
Down
  1. 1. uncivilised
  2. 2. dangerous
  3. 4. worn to protect clothes underneath
  4. 5. slowed down or delayed
  5. 8. persistent determination
  6. 10. to place on the side of something
  7. 12. fake