Vocabulary: Describing Ideas and Inventions

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Across
  1. 1. Without flaws; as good as possible.
  2. 5. Not useful or realistic in a real situation.
  3. 8. Showing intelligence or creativity.
  4. 9. New, unique, or different from anything before.
  5. 11. Helpful or beneficial in some way.
  6. 12. Having common or expected characteristics.
Down
  1. 2. Based on customs or long-standing practices.
  2. 3. Different from what is normal or expected.
  3. 4. Easy to understand or do.
  4. 6. Achieving the desired result.
  5. 7. Important or meaningful.
  6. 10. Absolutely necessary or very important.