“Corrosion found in the four longest Across answers”

Here is the verified answer to the Wall Street Journal Crossword clue “Corrosion found in the four longest Across answers”, last seen on August 16, 2026.

Answer hidden — reveal below
R??T

A 4-letter across entry from the Sunday puzzle

The Answer
RUST

The answer to “Corrosion found in the four longest Across answers” is RUST

Letters4
DirectionAcross
PublishedAug 16, 2026

Letter analysis

The clue “Corrosion found in the four longest Across answers” appeared in the Wall Street Journal Crossword on Sunday, August 16, 2026 as a across entry. The verified answer is RUST — a 4-letter word that begins with R and ends with T.

This answer contains 1 vowel and 3 consonants. Click through any related clue below to keep solving, or open the full answer key for the day from the link above.

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Frequently Asked Questions

What is the answer to “Corrosion found in the four longest Across answers”?

The answer to the Wall Street Journal Crossword clue “Corrosion found in the four longest Across answers” is RUST — a 4-letter across entry from the August 16, 2026 puzzle.

How many letters is the answer?

RUST has 4 letters — 1 vowel and 3 consonants.

Are these answers official?

WSJCrosswordAnswers.org is an independent reference site, not affiliated with the Wall Street Journal. We solve and verify each puzzle by hand before publishing.