Super-

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Across
  1. 2. a very strong, quick-setting adhesive
  2. 3. take the place of
  3. 4. the quality or state of being better, higher, or greater
  4. 5. the action of supervising someone or something
  5. 7. exceeding or capable of exceeding the speed of sound waves through air
  6. 9. behaving or looking as though one thinks one is better than others
  7. 10. higher in rank, status, or quality
  8. 12. of the finest kind or quality
  9. 13. a large store that carries a wide variety of food and things for the home
  10. 14. an exceptional or extraordinary power or ability
  11. 15. a widely popular performer, as in sports, films, or rock music
Down
  1. 1. a successful fashion model who has reached the status of a celebrity
  2. 3. expressing the highest or a very high degree of a quality eg. the bravest, the best
  3. 4. unnecessary, especially through being more than enough
  4. 5. to direct during the carrying out of a task
  5. 6. a structure built on top of something else
  6. 8. a prefix that means "above" or "over"
  7. 11. place or lay one thing over another