ACROSS

1. (informal) Exceptionally good. 5. Relating to ocean depths from 2000 to 5000 meters. 12. Administration of a nutritionally adequate solution through a catheter into the vena cava. 15. The villain in William Shakespeare's tragedy who tricked Othello into murdering his wife. 16. Free from duties or responsibilities. 17. A plant hormone promoting elongation of stems and roots. 18. Bound or secured closely. 20. The compass point midway between northeast and east. 22. (British) A restaurant where tea and light meals are available. 24. Panel forming the lower part of an interior wall when it is finished differently from the rest. 26. A rare silvery (usually trivalent) metallic element. 27. The largest of the islands comprising Antigua and Barbuda. 29. (informal) Of very poor quality. 31. Black birds having a raucous call. 34. Depleted of strength or energy. 36. A pilgrim who journeys to Mecca. 39. An attendant who puts pool or billiard balls into a rack. 42. A metallic element having four allotropic forms. 43. A mass of ice and snow that permanently covers a large area of land (e.g., the polar regions or a mountain peak). 44. Used of a single unit or thing. 45. A young woman making her debut into society. 46. How long something has existed. 47. Any competition. 48. Scarabaeid beetle considered divine by ancient Egyptians. 52. Fertilizer made of ground bones. 54. (Akkadian) God of wisdom. 55. A loose sleeveless outer garment made from aba cloth. 56. A period of time containing 365 (or 366) days. 57. A fastener (as a buckle or hook) that is used to hold two things together. 60. Of or relating to or measured in ohms. 64. A crown-like jewelled headdress worn by women on formal occasions. 66. Any plant of the genus Reseda. 68. Lacking in sympathy and kindness. 72. Swelling from excessive accumulation of serous fluid in tissue. 75. (Greek mythology) Goddess of the earth and mother of Cronus and the Titans in ancient mythology. 76. Sexually transmitted urethritis (usually caused by chlamydia). 77. A tricycle (usually propelled by pedalling). 79. (Old Testament) In Judeo-Christian mythology. 80. A doctor's degree in education. 81. Tropical American shrub bearing edible acid red fruit resembling cherries. 82. Type genus of the Ranidae.