Endy word stud crossword

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Across
  1. 5. most
  2. 8. a device
  3. 11. done it before
  4. 14. the opposite of similar
  5. 16. cant see it
  6. 17. to not let in something
  7. 18. tricks of the mind
  8. 19. eat
  9. 20. a door
Down
  1. 1. can be easy can be hard
  2. 2. all on you
  3. 3. neat and tidy
  4. 4. opposite of mature
  5. 6. smaller
  6. 7. really bad
  7. 9. the ability to wait
  8. 10. quietness
  9. 12. reality
  10. 13. adding one thing to another
  11. 15. to say something to get out