1: Big hit

6: Glissando instrument

10: Minstrel poet

14: Use unwisely

15: Jai ___

16: Fluish feeling

17: Fickle

19: Add-on for Congo

20: Bottle corks

21: More unnatural

23: Ring toss item?

24: Palindromic preposition

25: Wise man

26: Lowlife

27: Small reading glasses

31: IHOP order, often

35: Spanky, to Alfalfa

36: Emulate a couch potato

37: Silent greeting

38: Blind parts

40: 'Far out!'

41: Nutmeg covering

42: Stewing vessel

43: Grates upon

44: Groups of numbers

46: Undivided

48: Computer capacity, for short

49: Ebay posting

50: Tree fluid

53: Slavery

56: Existence portrayed in TV's 'The Riches'

58: Word with beer or cellar

59: Quintessence

61: Apart from this

62: Trig ratio

63: Separated

64: Spots

65: Person of vision

66: Strikes from a proof

1: Rustling sound

2: Skate's cousin

3: Fancy tie

4: Word on an octagon

5: Nag, nag, nag

6: Animosity

7: Word of woe

8: Campaigned for office

9: Booby traps

10: She's often on her toes

11: Reason and Enlightenment

12: Artifice

13: Whitetail buck

18: Antitoxins

22: Historical period

25: 'Flee, feline!'

28: Roman date

29: Abrupt bit of thunder

30: Tennis match divisions

31: Did the butterfly

32: Weight allowance

33: Enthusiastic

34: Pen pals?

35: Butter square

38: Mini-telescope

39: Write-off

43: Ball, notably

45: Slim swimmer

46: __ dictum: passing remark

47: Approaching

50: Rugmaking fiber

51: Eager, to the max

52: Annoying ones

53: Family follower?

54: ___ Cross

55: Thorny flower

56: Use a whetstone

57: Run gracefully

60: Chart shape