Adjectives!

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Across
  1. 1. timid in the company of other people
  2. 2. offensively impolite or bad-mannered.
  3. 3. showing good manners toward others
  4. 4. happy and optimistic
Down
  1. 1. quick to detect or respond to slight changes, signals, or influences
  2. 5. relaxed and tolerant in attitude or manner