Opposites

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Across
  1. 1. Not large in size or magnitude.
  2. 3. Not closed or sealed.
  3. 4. Below average or close to the ground.
  4. 5. Moving or acting quickly.
  5. 6. Having a low temperature.
  6. 7. Having a high temperature.
  7. 8. Large in size or magnitude.
Down
  1. 1. Moving or acting at a leisurely pace.
  2. 2. Not open or accessible.
  3. 5. The forward part or side.
  4. 7. Elevated or above average.
  5. 8. The rear or behind.