The New York Times Crossword

Sid Sivakumar is an M.D./Ph.D. student at Washington University in St. Louis training in biomedical engineering and neuroscience. In this themeless puzzle, Sid started at 92-Across, stacked two long answers on top of that and worked his way up.

ACROSS

1 Piles

15 Tablet purchases

19 Setting for Banff National Park

21 Dealer’s enemy

22 Disney film with more than a million hand-drawn bubbles

24 Rap’s Run-D.M.C., e.g. 25 Ostrich or kangaroo

26 Amtrak service

27 Emulate Ella Fitzgerald 29 Boxer Wolfe who played Artemis in “Wonder Woman’’ 30 “Yes, indeed’’

31 Get-together

33 Rush

35 Clear spirit

36 Seasonal fast-food sandwiches that aren’t halal

37 “Star Trek’’ virtual-reality chambers

38 San ____ (European enclave) 39 [stern glare]

40 Italian wine region

41 Certain developer’s job

42 Seriously unpleasant

43 Or greater

44 Fall flavoring

45 Some movie-theater

concession areas

50 Shattered

51 Eateries serving small

plates

52 Spoils

53 Up

54 Command center

55 Multiday event, for short 56 2017 CVS Health acquisition 57 Profess

58 Tough bass part?

60 Really grooves with

something 61 Quaint locale of first-aid

supplies

63 Valorous

64 Bhikkhunis : Buddhist monastery :: ____ : convent 65 The C of C major, e.g.

66 Word with zone or boots 67 Actor Idris

68 Error message?

69 Was completely exhausted 70 Hiking aids

72 Employees who work a lot 73 Bit of reading near a

cashier, in brief 76 Grasps at straws?

77 Not at all

78 Big name in pasta sauces 79 N.B.A. coach ____ Unseld Jr.

80 Badly hurt

81 “Capisce?’’

82 Rail in a dance studio

83 Images on some Australian

silver coins 85 V.I.P. access points

89 Mythos

90 Nutritional plan involving

controlled removal of foods

91 Predator frequently appearing in Calvin’s daydreams in “Calvin and Hobbes’’

92 Special delivery?

DOWN

1 Put on pretensions

2 Island home to Faa’a International Airport

3 It’s located in the middle of an alley

4 Drones, e.g.

5 Terse confession

6 Op. ____

7 Bad person to confess bad

things to

8 Twisting together

9 Puerto Rico’s ____ Telescope, formerly the world’s largest singleaperture telescope

10 Impersonate at a Halloween party

11 Immune system component 12 Vegetable in bhindi masala

13 Lens holder

14 Fine crystals used in food

preparation

15 Symbol of industry

16 Make a flying jump onto a

slope

17 They get left in the dust 18 Treat on a tea trolley tray 20 “____ Mode’’ (2018 No. 1

hit for Travis Scott)

23 Labyrinth builder of myth 28 Tarot card said to “radiate’’

positivity

31 Foretold the future

32 Certain gasket

33 Deterrent to a pickpocket 34 Behaves like a fool,

informally

36 Drama linked to the resurgence of the name “Betty’’ for baby girls

37 Remains tightly secured 38 Acquired family member 39 Actress Meyer of “Beverly

Hills 90210’’ 41 Tested the censor, say

42 Vendors of e-cigs

43 Cruise stop

44 Wet behind the ears

45 Important sales for growing

businesses?

46 Argument

47 Totally wipes out

48 Like some very old

characters 49 Pallet piece

50 Small drink of whiskey

51 Zap, in a way

54 Items at T.S.A. checkpoints 56 Boeing competitor

58 What the waving of a white

flag can indicate 59 Business brass

60 Reduce in rank

62 Style pioneered by Picasso 63 Works at the cutting edge? 66 Hot, in Havana

67 Evidence of a crossword

solver’s mistake, maybe 68 Dairy-free coffee additive 69 Butcher’s offering

70 Quiver

71 Ripply fabric pattern

72 Give a thumbs-down

73 Bespectacled “Peanuts’’

character 74 Gives a thumbs-up

75 Talk-show slate

76 Harped (on)

77 Unfashionable

78 Time off, for short

81 Slightly spoiled, in a way 82 Label signing

84 ____-positive movement 86 Contest

87 Actress Mowry of “Sister,

Sister’’ 88 Authority, metaphorically