1. Extreme cruelty
7. Longtime Harper's editor Lewis
13. __ Kelly (original "Hawaii Five-O" character)
14. Kind of grape
15. Beer named for a river
16. Order-defying reply
17. Mathematical condition of an ordered set
19. One target of Rachel Carson's "Silent Spring"
20. What "-" may signify
21. Sigmoid architectural feature
22. Hook accompanier
23. Range components: abbr.
25. 1.85 kilometers/hour
26. Org. focused on cleaning up others' acts
27. McMahon Act creation: abbr.
28. Former name of the Mariinsky Ballet
29. Actress Sinclair of "Coming to America"
32. For now and the foreseeable future
35. "... __ to be born and..."
36. Tiny opening in a leaf
37. "__ Ho" (Academy Award-winning song from "Slumdog Millionaire"
38. Tennessee athlete, briefly
39. Buds
40. Creation from plastic?
41. The limits of chic?
43. Pretend to be, with "as"
44. Farm female
45. Lee who founded the Shakers
46. Closed, as a magazine issue
50. Charade
52. Stick the landing, say
53. "Seven Year Ache" singer Cash
54. Lorre's "Casablanca" role
55. Private
56. Pay, as a debt
1. Striker's bane
2. "Oy!"
3. Outstanding quality
4. Paired up
5. Polish
6. Whacked arcade critter
7. First two-time Best Actress Oscar winner Rainer
8. "__ fair in love ... "
9. Letters assoc. with Jim Bakker
10. Expensive craftworks
11. Battery connection
12. Dull
14. Purplish flower
16. Classy
18. Stony reaction, perhaps
22. Old footwear accessory
23. Eldest of the Pleiades
24. Out house?
25. The miss in "Miss Saigon"
26. Classic novel that ends with two weddings
28. Stem-to-stern part
30. Interest, informally
31. Shoot out
33. Some bill payers, for short
34. Thinking-on-one's-feet indicators
40. Gray painted by Basil Hallward
41. Kind of pants
42. Corporation in a 2001-02 scandal
43. Trattoria offering
44. Puck's eatery
46. Button that might look like a paper airplane
47. "Movin' __" ('70s TV theme)
48. In __ (unmoved)
49. Instructions unit
51. __ chi
1. Extreme cruelty