1: It may be full of lemons

6: Little bit

10: Crescent-shaped mountain range

14: Less common

15: All over the place

16: Fly alone

17: Merge

19: Acidic

20: In ___ (unmoved)

21: St. Louis gridder

22: Thicket

23: Decorous

25: Geological span

27: Estrangement

31: Fought the clock

35: Heels

36: Got grounded?

38: Football's contour

39: It meant little to de Gaulle

40: Pt. of MIT

41: Shower affection (on)

42: Last word in prayer

43: Persistently annoying

44: On the same ___ (in rapport)

47: Quite the expert

48: Serpent's warnings

53: Fill with joy

55: Musclebound brute

57: Mime barrier

58: Copter's cousin

59: Stager

62: Paraphernalia

63: Narrow margin of victory

64: Ammonia compound

65: Phoenix roundballers

66: Blended-family prefix

67: ___ up (gets smart)

1: Ganja

2: Durable fiber

3: Speak formally

4: Whence the uvula dangles

5: Energy unit

6: Cass Elliot, once

7: Shiite leader

8: Little one

9: Squeeze (out)

10: Colleague

11: Legal outs

12: Favorable factor

13: Ruing the run, perhaps

18: Chemical group derived from benzene

22: Portable bed

24: Male youth

25: Terminating

26: Days gone by

28: Old deliverers with blocks

29: Word with worm or moth

30: Chip

31: Abacus part

32: Declare openly

33: Twin-hulled boat

34: Stairway alternatives

37: 'Friendly' pronoun

39: Far from ruddy

43: Upsilon follower

45: Original sinner

46: Quaker's address

49: Wise guy?

50: Garments worn by the Ganges

51: Say 'c'est,' say

52: Blackthorn shrubs

53: They're beaten in the kitchen

54: Stead

55: Church recess

56: Warm up, for short

59: November winners

60: Verbal zinger

61: Coping device