Character (opposites and synonyms)

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Across
  1. 3. a synonym to 'intelligent'
  2. 5. opposite to 'pleasant'
  3. 7. opposite to 'stupid'
Down
  1. 1. a synonym to 'calm'
  2. 2. opposite to 'friendly'
  3. 4. a synonym to 'nice'
  4. 6. opposite to 'clever'