6. They can be underfoot?

10. "Gee whillikers!"

14. Prenatal care centers?

15. Discover

16. Fencer's need?

17. High tail it

19. Alpine pond

20. Part of HRH

21. Forte

22. Stockpiles

24. Circus performer's prop

26. Next in line?

27. Exploit

28. South Dakota region

32. Salon supply

35. "911" at sea

36. Shake a leg, e.g.

37. Trendy antioxidant berry

38. Old PC component

39. Japanese stringed instrument

40. Portugal's second city

42. Indefinite amount

43. Muscle connector

44. Surround

46. Grain bristle

47. Type of tide

48. Chic

52. Number with 101 digits

55. Musical highlight

56. Hand a line, in a way

57. Elite seats

58. High tail it

61. Poet Pound

62. Of large proportions

63. White wetlands wader

64. Appraiser, of sorts

65. Make an impression

66. Well-prepared

1. Should, with "to"

2. Range rover

3. Aquarium favorite

4. A Gershwin

5. Lacking direction

6. Musical show

7. Brought into play

8. Mail HQ.

9. Made adjustments, e.g.

10. High tail it

11. Brightly colored food fish

12. Arid

13. They lay around on the farm?

18. Exude

23. Has a bug

25. High tail it

26. Hurried

28. Carried

29. "High" time

30. Spoil, with "on"

31. Warehouse

32. Bind

33. Clickable image

34. Bust maker

35. Skull cap?

41. Hydrox rival

43. Oath taker

45. Sedated, perhaps

46. Came down

48. Put up

49. West African capital

50. Zapped

51. Cantankerous

52. Delight

53. Like molasses

54. Fairy tale baddie

55. Like, with "to"

59. Echo, in a way

60. Historical period