y though

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Across
  1. 7. Not a lot to go around
  2. 10. Hypothesis
  3. 11. “Well that’s just ___!”
  4. 12. Might (be the name of a month)
  5. 13. An apology
  6. 15. Tired
  7. 17. Background noise for old live radio plays
  8. 18. Right now
  9. 20. Straw
  10. 21. Meticulous
Down
  1. 1. Sometimes preferable over quantity
  2. 2. Lively and sprightly
  3. 3. “Hitting the old ___ trail”
  4. 4. Occurs every 24 hours
  5. 5. Humerus
  6. 6. Fraudulent
  7. 8. Over time
  8. 9. Homophone to the theme of this crossword
  9. 14. Expensive and showy
  10. 16. Relating to the writing of letters
  11. 19. Humorous