Caustic Crossword Clue

We have the 8-letter answer for Caustic crossword clue, last seen in the NYT Crossword August 30, 2026 puzzle. Let us help you solve the crossword clue that has you stumped so you can finish the puzzle.

Caustic Crossword Answer

↓4.

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BITTER

(6 letters)

MORDANT

(7 letters)

ACRID

(5 letters)

ACID

(4 letters)

Helpful Hints

(adjective)
1. causing abrasion
2. sharply disagreeable; rigorous
(noun)
1. a substance that abrades or wears down

Hint 2: Clue Definition

CAUSTIC (adjective)
1. of a substance, especially a strong acid; capable of destroying or eating away by chemical action
2. harsh or corrosive in tone
CAUSTIC (noun)
1. any chemical substance that burns or destroys living tissue

Hint 3: Other Answers Used in the Past

BITTER
(6 letters)
MORDANT
(7 letters)
ACRID
(5 letters)
ACID
(4 letters)

More NYT Crossword (8/30/2026) Answers

Across

1. "Aladdin" villain

6. "It's yours"

10. Sarcastic "Sure"

14. Heat setting, in brief

17. Dutch Caribbean isle

18. Explosive sound

20. Lacking constraints

22. MARTIN SHEEN

24. LIAM NEESON

25. Chef Hussain of "The Great British Bake Off" fame

26. Discount Chinese e-tailer

28. Jumbo shrimp

29. Ben & Jerry's alternative

31. Pink-slips

33. NORMAN REEDUS

37. GREG KINNEAR

40. Conditions of equilibrium

41. Historian's division

42. Undying

43. Offer illegally, as tickets

45. Publicly proclaim

46. Scatters messily

48. MORGAN FREEMAN

55. Class for some recent arrivals, for short

56. Kind of green

59. Chemist Lilly

60. Chilean poet who served as a Communist senator

61. Four to two, e.g.

64. Friar with a famous "razor"

68. Turns on the waterworks

69. Ones making periodic appearances ... or the link between the capitalized clues and their answers

73. 2024's "Joker: ___ à Deux"

74. Alfresco area

75. "Everything cool between us?"

76. Poorly nourished

78. Fill at a fill-up

80. __ card

81. Rite Aid rival

84. CHRISTIAN SLATER

89. City on the Illinois River

92. Grumpy grimace

93. Discontinued Swedish cars

96. Inauthentic

97. "Catch-22" topic

100. Join, as two metal surfaces

102. ISABELLA ROSSELLINI

104. KEVIN KLINE

107. Erté's style, informally

108. Canadian fuel brand

109. All-vowel musical refrain

110. Actress Falco with four Emmys

112. Sugary secretion

114. BEA ARTHUR

118. MARLON BRANDO

122. Submitted by the deadline

123. B.L.T. or P.B.J., cutesily

124. Musician/actress Haim

125. Syllable of censure

126. Instants

127. High-protein bean

128. Big name in truck rentals

All Answers

Down

1. God, to Bob Marley

2. "___ you done?"

3. Musical comedy that was 1968's highest-grossing film

5. Bootlegger's concern

6. Like 666, popularly

7. Band that's big in Japan?

8. Disoriented

9. Administered, as a drug

10. Potentialities

11. Something found under a top

12. Wriggler in a stream

13. "___ fugit"

14. Star's opposite

15. Stout figure?

16. Supreme Egyptian god

18. Inuit watercraft

19. Office messages

21. Like some mattresses and offers

23. Mineral that makes cosmetics shimmer

27. Remove an identifier from, as on Instagram

29. Clear

30. Shoulder press targets, to trainers

32. Hit a ___

34. Where a flock may gather

35. Beginning on

36. Attach with a needle and thread

38. Unused

39. Extreme happiness

44. Double-breasted pieces of menswear

47. Trigger

49. Like Scrooge McDuck

50. Right-hand page of a book

51. Made muffs

52. John ___ Day (California commemoration)

53. Citrus refreshments

54. "N.Y. State of Mind" rapper

57. 1994 Costner title role

58. Divas time to shine

61. "Dune" genre

62. Mary or Elizabeth

63. Towering creature in "The Two Towers"

65. Sound in a cornfield

66. Half brother of Apollo

67. Christmas presence?

69. Sushi bar serving?

70. Jazz great Fitzgerald

71. Along with "CODA" and "Argo," the only other four-letter Best Picture winner

72. Give gratis

73. Shakespearean shout

77. That's the spirit!

79. Strike defier

81. Part of an intersection

82. Barolos e Brunellos

83. Turn someone down

85. Unshared numbers

86. Hostile manner, informally

87. Actor and disability activist Christopher

88. Like some liquors

90. Org. regulating air quality

91. You sure about that?

94. Periods of 730 days

95. Withdraw from a union

97. Teensy amount

98. Feathered fliers

99. Shoe brand named for an antelope

100. Hybrid tennis bottoms

101. Second tries

103. El Pollo ___ (chicken chain)

105. Creditor's claim

106. Turkish money

111. Fad toy of 1996

113. Snowboarder's transport

115. Often-illegal turn, slangily

116. Cinephile's cable choice

117. Boars and bulls

119. Comedian Sedaris

120. I, to Augustus

121. Smudge or smear, say

All Answers