1: Lively outing

6: Alka-Seltzer jingle starter

10: Inscribe with acid

14: Jungle vine

15: Brat's stocking stuffer

16: Tropical root

17: Frequently traveled highway

19: Chemical group derived from benzene

20: Nacreous

21: Lincoln loc.

22: Stare open-mouthed

23: Lewis Carroll's 'Jabberwocky' word for 'scratch, dog-style'

25: Takes offense at

27: Pretentious

30: Diamond judge

32: Put into piles

33: Polynesian paste

34: Diner desserts

36: Bellyaches

39: Well adjunct

41: Easel, e.g.

43: Trellis piece

44: FCC flouter Howard

46: Fruit for flavoring gin

47: A white one is small

48: Chimney sweep's target

50: Absorb, with 'up'

51: Waterproof cover

52: Movable property

55: Fleshy fruit

57: Busy place

58: It's the word

60: Type of engine

64: Colored eye part

65: Adapted for grasping

67: Dryer outlet

68: Pat response

69: Stage setting

70: Units of work

71: Small whirlpool

72: Iditarod entries

1: A pink one means trouble

2: State tree of Maine

3: ___-tat

4: Get-up-and-go

5: Ahead of schedule

6: Per hundred (Abbr.)

7: Deal with a shylock

8: Any Roy Rogers flick

9: New West Pointers

10: Places for knickknacks

11: Lively Italian folk dance

12: Underground vault

13: There are 18 at Pebble Beach

18: They're sweet and viscid

24: Puts out

26: Turn on the waterworks

27: PC software

28: 100-0, e.g.

29: More efficient, in a way

31: Loud bursts

35: Buttinsky

37: Kind of shake

38: Blended-family prefix

40: Activities for some activists

42: Remove from office

45: Logic circuit element

49: Head part

51: Pincushion flower, e.g.

52: Onion and leek relative

53: Human resources employee

54: Cheaply sensational

56: Gets better

59: Sew up

61: Jambalaya grain

62: Stumblebum

63: Not his

66: Attention getter