1: Debatable gift

4: Statistics

8: Clued in

13: Small dam

14: Whom the yoke's on?

15: Stupid mistake

16: Hard to brush off

18: Put a new price on, say

19: Free-for-all

20: Hilltops

21: Start to mature?

22: Old hand

25: Divot material

26: Cut off

28: More apt to talk back

30: Fail to keep up

31: Undivided

32: Freedom

34: Kind of talk

35: Like a doily

38: Brings up

39: Where oysters grow

40: Time-wasting bother

41: Nerve fiber

43: Spoil

44: Wharf pest

45: Newspaper chiefs

49: Killer ___ (excellent computer program)

50: Passports, e.g (abbr.)

51: Remote room?

52: One's good name, briefly

53: The Pyramids, essentially

55: Tropical fruit

57: Danger

58: Woodworker

62: Speak formally

63: Emulsifying agent

64: Nerd

65: Spot in the water

66: Mischievous evil spirit

67: Eyeball

1: Equus and others

2: They're numbered in supermarkets

3: Soft cheese

4: Morse code component

5: Fireman's tool

6: Half a score

7: Aardvark's tidbit

8: Shorten

9: Trials and tribulations

10: Oryx, e.g.

11: Cogent

12: Energy unit

13: Milquetoasts

17: Brown pigment

20: Fruit stand locale, often

23: Good-as-new tires

24: Positions

25: Like drink-affected speech

27: Enlivens (with 'up')

29: Devious

33: Small amount

35: Buddhist leader

36: Some electrical plug-in devices

37: Type of punishment

39: Wager

41: Small amount

42: Slight degree

46: Demosthenes, for one

47: Recording studio effect

48: Fiery particle

54: Little bit

56: Annul

57: Polynesian paste

58: Hansom vehicle

59: In the past

60: Tease mercilessly

61: Get nosy