1: Separate

5: At attention

10: Butter units

14: Large pitcher

15: Aged beer

16: Burn soother

17: Opening address

19: No longer green

20: Prayer

21: They get left behind

23: The Amish, the Shakers, et al.

24: Agendas

26: Don't invite them!

31: Some gametes

34: Sensational

35: Of the hipbone

36: Get five in a row, in bingo

37: Set as rivals

38: Basketball position (abbr.)

40: Winter ailment

41: Kind of down

43: Dr. No, to Bond

44: Supplied

45: Ill humored

49: Made sound again

50: Blackest part of a shadow

55: Springbok's habitat

58: They climb up trees down under

59: Black, to a bard

60: Fickle

63: Flute or saxophone variety

64: Eagle's nest

65: Upper hand

66: Tape spool

67: Manner of performance

68: Whitetail buck

1: Cancún coins

2: Clued in

3: Thing of the past

4: U.S. coin word

5: Sparkle

6: Wharf pest

7: Teamwork deterrent

8: Post production?

9: Assignations

10: Sunshade

11: Got grounded?

12: Drink to excess

13: Goes out with

18: Have a fling?

22: Half-hearted

24: Chimney sweep's target

25: Like cherries jubilee

27: Upsilon follower

28: Jazz phrase

29: Story by Chaucer

30: Surface-to-surface missile

31: Was in the red

32: Last of Great Britain's King Henrys

33: 'No ifs, ___, or buts!'

37: Admire oneself

38: Wade across

39: Itty-bitty

42: Whiskey component

43: Finder's charge

46: Fads

47: Orrery orb

48: Abbott and Costello and Burns and Allen

51: Bred

52: Cutter

53: Where the deer and the antelope play

54: Fall bloom

55: Cauterize

56: Up to the task

57: It's cast, then counted

58: Joint with a cap

61: Blubber

62: Coat of many colors?