Nineteenth Greek letter (3)

The answer to “Nineteenth Greek letter (3)” in the The Guardian Quick crossword is TAU — a 3-letter word. It most recently appeared in the The Guardian Quick crossword on July 11, 2026, a Saturday puzzle, at 21-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.

“Nineteenth Greek letter (3)” answer

TAU (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 TAU.

Why the answer is TAU

It's the third letter that sounds like a tea time treat! ☕

What does TAU mean?

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

When else has “Nineteenth Greek letter (3)” appeared?

The Guardian Quick 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.

July 11, 2026 (most recent) → TAU. We haven't indexed another appearance of this exact clue yet.

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