Caustic compound WSJ Crossword Clue

By Narcissa Kh / December 9, 2025

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Crossword Answer

1 ? A

2 ? C

3 ? I

4 ? D

Hint

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Drag letters from the pool into “Your Answer”, then reorder them to match the solution.

Your Answer 4 Letter

Current guess: —

Letter Pool

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Hint 1

hint

Reveal Hint

Think of something that can turn litmus paper red and has a sour reputation.

Hint 2

meaning

Reveal Hint

???? is a chemical substance that can donate a proton or accept an electron pair in reactions.

Hint 3

explanation

Reveal Hint

The clue 'Caustic compound' points to a chemical substance known for its corrosive properties. 'Caustic' refers to the ability to burn or corrode organic tissue, which is a characteristic of acids.

Hint 4

another clue

Reveal Hint

Giving sour taste, Litmus paper reddener, Litmus reddener, What gives a wine tartness, Influence on the Beatles' "I Am the Walrus"

WSJ Crossword December 9 2025 Answers

Tap a cell to show its letter

1 ? C
2 ? R
3 ? U
4 ? D
5 ? H
6 ? I
7 ? L
8 ? T
9 ? S
10 ? W
11 ? E
12 ? B
13 ? S
14 ? D
? E
? N
? Y
15 ? O
? N
? E
? A
? T
16 ? H
? A
? R
? I
17 ? C
? L
? I
? E
18 ? N
? T
? B
? A
? S
? E
19 ? A
? T
? O
? N
20 ? A
? V
? R
? I
? L
21 ? S
? H
? E
22 ? E
? T
? I
? N
? G
23 ? R
? Y
? E
24 ? C
? A
25 ? S
? H
? A
? D
? V
? A
? N
? C
? E
26 ? E
? R
? R
27 ? E
? N
? C
28 ? S
? A
? M
29 ? A
? A
? S
30 ? T
? U
31 ? N
32 ? G
33 ? D
? I
34 ? D
35 ? T
36 ? O
37 ? R
? C
? A
38 ? C
? A
? B
? O
? O
39 ? S
? E
40 ? R
? E
? V
41 ? M
? E
? L
42 ? B
? A
43 ? A
? M
? P
? M
44 ? E
? N
? O
45 ? O
? R
46 ? B
47 ? R
? A
48 ? T
49 ? A
? N
? I
50 ? C
51 ? A
52 ? N
? A
? D
? A
53 ? G
54 ? O
? O
? S
? E
55 ? M
? E
? D
56 ? O
? C
? A
? R
? I
? N
? A
? S
57 ? H
? E
58 ? A
? D
? S
59 ? S
? H
? O
? D
60 ? J
? U
? S
61 ? T
? I
? N
? C
? A
? S
62 ? E
63 ? T
? O
? M
? E
64 ? O
? N
? I
? O
? N
65 ? I
? T
? E
? M
66 ? S
? O
? I
? R
67 ? S
? T
? E
? I
? G
68 ? D
? E
? E
? T

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Clue Analysis

The clue “Caustic compound” is a classic crossword staple, frequently appearing in puzzles like the WSJ crossword. For the puzzle dated December 9 2025, the definitive 4-letter answer is: ACID.

Expert Tip: When you’re stuck, try to analyze the structure of the clue itself. Is it a direct definition, a pun, a fill-in-the-blank, or a pop culture reference? Identifying the type of clue you’re dealing with is a key skill for improving your solving speed.

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Your Questions, Answered by Experts.

At Daze Puzzle, we understand that every clue is a puzzle within a larger puzzle. Our team of dedicated human experts and puzzle lovers solves these challenges daily to help you succeed. Below, we answer common questions about this specific clue.

A: The most common and recent 4-letter answer for "Caustic compound" is ACID.

A: The clue 'Caustic compound' points to a chemical substance known for its corrosive properties. 'Caustic' refers to the ability to burn or corrode organic tissue, which is a characteristic of acids.

A: This clue was last seen in the WSJ Crossword on December 09, 2025.

A: Acid is a chemical substance that can donate a proton or accept an electron pair in reactions.

A: Giving sour taste, Litmus paper reddener, Litmus reddener, What gives a wine tartness, Influence on the Beatles' "I Am the Walrus"

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Caustic compound WSJ Crossword Clue

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