Mess up

The answer to “Mess up” in the Eugene Sheffer crossword is ERR — a 3-letter word. It most recently appeared in the Eugene Sheffer crossword on September 12, 2026, a Saturday puzzle, at 36-Across. Below you'll find why that fill fits, every other answer we've recorded for this clue, and links into the puzzle it came from.

“Mess up” answer

ERR (3 letters)

Reveal the solution one letter at a time with the tiles above if you'd rather nudge yourself toward it than see the whole word at once. Just want it outright? The answer is ERR.

What does ERR mean?

Reading the plain dictionary sense of ERR is often the fastest way to see why it answers this clue.

When else has “Mess up” appeared?

Eugene Sheffer reuses clues across dates, sometimes with a different answer depending on the grid. Here's where this exact clue has shown up, and what the answer was each time — handy when you're checking whether today's fill is the only one.

September 12, 2026 (most recent) → ERR. We haven't indexed another appearance of this exact clue yet.

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