Adapter letters

The answer to “Adapter letters” in the The Washington Post crossword is ACDC — a 4-letter word. It most recently appeared in the The Washington Post crossword on October 18, 2026, a Sunday puzzle, at 1-Down. 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.

“Adapter letters” answer

ACDC (4 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 ACDC.

When else has “Adapter letters” appeared?

The Washington Post 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.

October 18, 2026 (most recent) → ACDC. We haven't indexed another appearance of this exact clue yet.

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