Invisible ink?
Latest answer — October 04, 2026
117 Across
Scroll down for rest of crossword answers
Clue explained
A UV TATTOO uses ultraviolet-reactive ink that can be hard to see in ordinary light but shows under UV light. That makes it a playful kind of “invisible ink”; the question mark flags the wordplay.
- Clue type:
- Pun or wordplay
WaPo Crossword
This clue's Sunday, October 04, 2026 appearance
Tap a square to reveal a letter.
Or reveal one clue at a time with the Hint and Answer buttons below.
Across
- 100Assn.
- 102Hard water?
- 127Walking pace
- 129Patronage
- 130Spanish boys
- 131Concludes
Down
- 65Relay
- 84Deft
- 101Take turns
The answer to “Invisible ink?” in the The Washington Post crossword is UVTATTOO — a 8-letter word. It most recently appeared in the The Washington Post crossword on October 4, 2026, a Sunday puzzle, at 117-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.
“Invisible ink?” answer
UVTATTOO (8 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 UVTATTOO.
When else has “Invisible ink?” 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 4, 2026 (most recent) → UVTATTOO. We haven't indexed another appearance of this exact clue yet.
Frequently asked questions
What is the answer to “Invisible ink?”?
The answer is UVTATTOO, a 8-letter word. It most recently appeared in the The Washington Post crossword on October 4, 2026.
How many letters is the answer to “Invisible ink?”?
8 letters: UVTATTOO.
When did this clue appear?
Most recently in the The Washington Post crossword on October 4, 2026 (a Sunday puzzle), at 117-Across.
Can “Invisible ink?” have a different answer?
Yes — The Washington Post sometimes reuses a clue with a different solution to fit the grid. The answers we've recorded for each date it appeared are listed above when available.
Where can I find the rest of this day's WaPo Crossword answers?
The full grid for October 4, 2026 is on the WaPo Crossword answers page, with every clue and answer from that puzzle.
The Washington Post Crossword is published by The Washington Post; WordHint is an independent site and is not affiliated with or endorsed by the publisher.
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