Caustic compound WSJ Crossword Clue
Crossword Answer
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explanationWSJ Crossword December 9 2025 Answers
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Frequently Asked Questions About This Clue
The most common and recent 4-letter answer for "Caustic compound" is ACID.
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.
This clue was last seen in the WSJ Crossword on December 09, 2025.
Acid is a chemical substance that can donate a proton or accept an electron pair in reactions.
Low scorer on a pH test, Giving sour taste, Litmus paper reddener, Litmus reddener, What gives a wine tartness
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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