Top 47 OXYMORONS:
 
 47. Act naturally
 46. Found missing
 45. Resident alien
 44. Advanced BASIC
 43. Genuine imitation
 42. Airline Food
 41. Good grief
 40. Same difference
 39. Almost exactly
 38. Government organization
 37. Sanitary landfill
 36. Alone together
 35. Legally drunk
 34. Silent scream
 33. American history
 32. Living dead
 31. Small crowd
 30. Business ethics
 29. Soft rock
 28. Butt Head
 27. Military Intelligence
 26. Software documentation
 25. New York culture
 24. New classic
 23. Sweet sorrow
 22. Childproof
 21. "Now, then..."
 20. Synthetic natural gas
 19. Passive aggression
 18. Taped live
 17. Clearly misunderstood
 16. Peace force
 15. Extinct Life
 14. Temporary tax increase
 13. Computer jock
 12. Plastic glasses
 11. Terribly pleased
 10. Computer security
 09. Political science
 08. Tight slacks
 07. Definite maybe
 06. Pretty ugly
 05. Twelve-ounce pound cake
 04. Diet ice cream
 03. Working vacation
 02. Exact estimate
 
 And the Number one Oxymoron
 
 01. Microsoft Works!!!