The clue "20th Greek letter" last appeared in the The Washington Post crossword on July 5, 2020. The correct answer for this puzzle is "UPSILON", a 7-letter word.
Solution UPSILON is 7 letters long. So far we haven´t got a solution of the same word length.
There is 1 solutions. The longest is UPSILON with 7 letters, and the shortest is UPSILON with 7 letters.
Indeed, the puzzle clue "20TH GREEK LETTER" has seen a surge in lookups recently (last checked: 08 Jun 2026). Apparently it´s giving players some headaches!
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The solution is 7 letters long.
| Clue | Answers | |
|---|---|---|
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| Y lookalike | ||
| Tau follower | ||
| 20th in a series | ||
| Meson made up of a bottom quark and its antiquark | ||
| Letter after tau | ||
| 20th Anniversary | ||
| Greek letter | ||