OPPOSITES (un)

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Across
  1. 2. not feeling good or ill
  2. 4. to cancel or reverse doing something
  3. 5. to undo/unfasten the knot of a rope or a string
  4. 6. to remove the cover off something
  5. 7. not just, opposite of fair
  6. 8. to remove the paper off a present
Down
  1. 1. incorrect/wrong
  2. 3. to take things out of a suitcase
  3. 6. not nice or rude to others
  4. 7. can't do something