| ACROSS |
| 1. | Retirement account (abbr.) |
| 4. | Diode which emits light from the p-n junction |
| 7. | Legendary king corresponding to the historical figure of Attila |
| 11. | Habitations of wild animals |
| 13. | Small Philippine buffalo |
| 15. | Leaves |
| 16. | Sight organs |
| 17. | Beverages made from leaves |
| 18. | Inactive volcano in Sicily |
| 19. | Transient Ischemic Attack (abbr.) |
| 22. | Surprise greeting |
| 24. | Hearing organ |
| 25. | Compass dir. |
| 28. | Petroleum |
| 30. | Atmosphere |
| 32. | Ocean |
| 33. | Compass dir. |
| 34. | Curve |
| 35. | Nonscientific branch of learning |
| 36. | A home for chicks |
| 39. | Music discs |
| 42. | Exercise |
| 43. | Firearm |
| 44. | Choose |
| 46. | Cuckoo |
| 48. | To (old English) |
| 49. | Sigma Iota Epsilon (abbr.) |
| 50. | Particular pronoun |
| 52. | _-fi |
| 55. | Supplement with great effort |
| 56. | Compass dir. |
| 57. | Higher Education for Development (abbr.) |
| 58. | Lair |
| 59. | Apple computer (short form) |
| 61. | Person who annoys others by constantly finding fault |
| 64. | Expression of pleasure, satisfaction, surprise, or great joy |
| 66. | Ancient river in northeast Turkey |
| 68. | A hard, heavy blow |
| 71. | Muslim summons to prayer |
| 75. | Tall New Zealand timber tree |
| 76. | Plant holders |
| 77. | A female goose |
| 78. | Relaxation |
| 79. | Master of Engineering Administration (abbr.) |
| 80. | A female yak |
|
| DOWN |
| 1. | Chemical element with properties similar to another |
| 2. | Marina Del _, California |
| 3. | A saturated hydrocarbon |
| 4. | Monetary unit of Latvia |
| 5. | Compass dir. |
| 6. | Tract of land included between two rivers |
| 7. | Ripen |
| 8. | Carrier |
| 9. | Eastern Russia river; Laptev Sea tributary |
| 10. | Astrian river, tributary to the Danube |
| 12. | Fast jet |
| 14. | Volcano in Japan |
| 20. | Electrically charged atom |
| 21. | The 18th letter of the Arabic alphabet |
| 23. | Rowing implement |
| 25. | He sold his birthright |
| 26. | Father Junipero _ |
| 27. | Consumed |
| 29. | Soviet premier 1918–24 |
| 31. | Interstate Commerce Commission (abbr) |
| 34. | Had dinner |
| 37. | Lizard (obsolete) |
| 38. | Splash clumsily |
| 40. | Administered medicine |
| 41. | A young mackerel |
| 43. | Regret |
| 45. | Teenager |
| 47. | It is |
| 51. | A female salmon |
| 53. | Chief Executive Officer (abbr.) |
| 54. | A language that is deliberately created for a specific purpose |
| 56. | Fraudulent business schemes |
| 59. | Female horse |
| 60. | Melody |
| 62. | Viper |
| 63. | Take by theft |
| 65. | Possessed |
| 67. | Take to court |
| 69. | Member of the Shoshonean people of Utah and Colorado and New Mexico |
| 70. | Girls' org. (abbr.) |
| 72. | Zimbabwe AIDS Network (abbr.) |
| 73. | American Medical Association (abbr.) |
| 74. | Italian singer-songwriter Filippo Neviani |