Caustic cleaning solution

The answer to “Caustic cleaning solution” in the The Telegraph Mini crossword is LYE — a 3-letter word. It most recently appeared in the The Telegraph Mini crossword on September 19, 2026 at 5-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.

“Caustic cleaning solution” answer

LYE (3 letters)

Use the reveal tiles above to uncover the solution one letter at a time if you'd rather nudge yourself toward it than see the whole word at once. Prefer the full answer straight away? It's LYE.

What does LYE mean?

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

When else has “Caustic cleaning solution” appeared?

The Telegraph Mini 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 19, 2026 (most recent) → LYE. We haven't indexed another appearance of this exact clue yet.

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