| ACROSS |
| 1. | Baseball player Mel |
| 4. | Indian title of respect (Mr.) |
| 7. | Introduce or present, as a question |
| 11. | Western Russian city on the Oka River south of Moscow |
| 13. | Higher Education for Development (abbr.) |
| 14. | Sorthwest Algerian city |
| 15. | A female red deer |
| 16. | A really long time |
| 18. | National Aeronautics and Space Administration (abbr.) |
| 19. | Diode which emits light from the p-n junction |
| 21. | Surprise greeting |
| 24. | Teat (slang) |
| 25. | Curvy letter |
| 28. | Monetary unit of Albania |
| 30. | Volcano in Mindanao |
| 31. | Single |
| 32. | A female deer |
| 33. | Binary compound |
| 34. | Russian ruler of old |
| 36. | Keyboard modifier key |
| 37. | Volcano in U.S.A. |
| 40. | (East Indies) transportation by relays of people or horses |
| 42. | Shoshoni |
| 43. | Compass dir. |
| 46. | Eluded |
| 49. | Monetary unit of Latvia |
| 51. | The upper angle between an axis and an offshoot such as a branch or leafstalk |
| 52. | Chewing product |
| 55. | Volcano in Japan |
| 56. | Experiment locale |
| 58. | June honoree |
| 60. | Compass dir. |
| 61. | A young ewe |
| 62. | Snakelike fish |
| 63. | Cuckoo |
| 64. | Armed conflict |
| 66. | Ancient Greek god of war |
| 68. | Ancient city of Etruria north of modern-day Rome, Italy |
| 71. | Caspian sea tributary |
| 75. | Regional Information Sharing System (abbr.) |
| 76. | Wind |
| 77. | Whimper |
| 78. | Remaining after all deductions |
| 79. | Make a knot |
| 80. | Eastern Standard Time (abbr.) |
|
| DOWN |
| 1. | Expression of pleasure, satisfaction, surprise, or great joy |
| 2. | Three (prefix) |
| 3. | Nine, plus one |
| 4. | Passed from one quality, color, or thing to another by very slight changes or degrees |
| 5. | To riddle |
| 6. | A language that is deliberately created for a specific purpose |
| 7. | Passive Optical Network (abbr.) |
| 8. | Speaker |
| 9. | Indian antelope |
| 10. | Related on the mother's side |
| 12. | Lipoprotein that transports cholesterol in the blood |
| 17. | Basketball assoc. |
| 20. | Biblical high priest |
| 22. | Elects |
| 23. | Object-Oriented Software Engineering (abbr.) |
| 25. | Period |
| 26. | Exchanged or delivered for money |
| 27. | Stalk of a moss capsule |
| 29. | Volcano in Java |
| 35. | A saturated hydrocarbon |
| 38. | Had dinner |
| 39. | A group of herons |
| 41. | A weed |
| 44. | Narrow board |
| 45. | Comfort |
| 47. | Cuban-born American model, actress and singer Guerra |
| 48. | Actor Alda or Thicke |
| 50. | Coat; cloak |
| 51. | Most capable |
| 53. | Undo the wiring of |
| 54. | Master of Engineering Administration (abbr.) |
| 56. | Acquire or gain knowledge or skills |
| 57. | Nest on high |
| 59. | HTML Container Element |
| 65. | Reproach for some lapse or misdeed |
| 67. | Fast jet |
| 69. | Ingest |
| 70. | One more than two |
| 72. | European strong-scented herb with gray-green bitter-tasting leaves |
| 73. | Thickening of tissue in the motor tracts of the lateral columns and anterior horns of the spinal cord |
| 74. | Arrange properly for use |
