1: Liable

4: Settles a debt, with 'up'

8: Sternward

11: Cut short

13: Synaptic transmitters

15: Copter's cousin

16: Causeway fee

17: On the up-and-up

18: Harbinger

19: Workout output

21: Record collections?

23: Civil unrest

25: Slattern

26: Sprinkles, as paint

30: Chooses

34: Ossuary

35: Casino machines, briefly

37: Contradict

38: Small indentation

40: Aerobat's maneuvers

42: Body of an organism

43: Makes level

45: Basketball boo-boos

47: Nov. 11 honoree

48: Turn over, as property

50: Margaret or Diana, e.g.

52: Given the ax, with “off”

54: One way out

55: Seventh Commandment flouter

60: Ball bigwig

63: Give the slip to

64: Knobby

66: More than slow, in retail

67: Secondhand

68: Damp and heavy

69: Took charge of the karaoke machine

70: Debussy's 'La ___'

71: Add-on for Congo

72: Whimsical

1: Behaves

2: Forepart of a boat

3: Leeways

4: Spanky, to Alfalfa

5: Fired

6: Meditation method

7: Peevish states

8: Goals

9: On the house

10: A whole lot

12: Braid

14: Like old bread

15: Small, pointed beards

20: Little ones

22: Light source

24: Drop a dime on

26: 'Marvelous!'

27: Demonstrate decisively

28: Hit the ___ (get mad)

29: Bend a bit

31: Highway loop-the-loop

32: X, mathwise

33: Pants' parts

36: Incite

39: Rang mournfully

41: Didn't come home standing up

44: Trellis piece

46: 'I'm better than you' sort

49: Property claims

51: Sorority sisters

53: Speak foolishly

55: Grad

56: Medicinal amount

57: One working with Linux, e.g.

58: Upper hand

59: Shoddy clothing

61: Bowling alley

62: Antsy

65: Old soap ingredient