1: 'Blast!'

5: Repetitive computer program

8: Ratchet bar

12: Thy, nowadays

13: Trig ratio

14: Cozy and comfortable

15: Numbers game

16: Sit before a lens

17: Say 'c'est,' say

18: Approximated

20: The eyes have them

21: Measure of purity

22: Byte fraction

23: Learns little by little

26: Metered vehicle

30: Coat of many colors?

31: Hollow rocks

34: Roy Innis's org.

35: Having only one component

37: Bluto's assent

38: Line dance

39: Kind of pool

40: Magic word

42: Magna ___ laude

43: Guarantees

45: Diner side orders

47: Louse egg

48: Secret store

50: Potter's purchase

52: Apparitions

56: Personal strength

57: Repetitive routine

58: 'Hold your horses!'

59: Set securely (Var.)

60: They may be wild or rolled

61: Bird with an eerie call

62: Striped fish

63: Veneer layer

64: Musical feature

1: Levee

2: Lobster and beluga products

3: Your father's sister

4: Russian sleigh

5: Regional flora and fauna

6: First symptoms

7: Miffed, with 'off'

8: Governmental go-getter

9: In the thick of

10: Ties the knot

11: Old soap ingredient

13: Widely scattered

14: Screw thread, for example

19: Squalid

22: ___-relief

23: Swindle

24: Sheets

25: Panaches

26: Golf ball pegs

27: Collectible shell

28: Quarrel

29: Joist and transom, for two

32: Galley propellers

33: Stain, as a fabric

36: Joins, as long-lost friends

38: It's a shore thing

40: Furry friend

41: Macbeth et al.

44: All stirred up

46: Garments for granny

48: Sand bar

49: Ragged

50: Body of an organism

51: Eyes

52: Stage piece

53: 'Flee, fly!'

54: Night light

55: Took charge of the karaoke machine

56: Little lie