“Like the Millennium Problems of the Clay Mathematics Institute” crossword clue
Answer
U
N
S
O
L
V
E
D
••••••••UNSOLVED
Reveal the answer to see why it works and where this clue has appeared before.UNSOLVED is the answer to the New York Times crossword clue “Like the Millennium Problems of the Clay Mathematics Institute”. It was last seen in the puzzle of May 22, 2026, where it runs at 47 Across and fills 8 squares. It crosses 8 other entries in that grid — those are listed below and are the quickest way to confirm the letters you already have.
Crossing entries
May 22, 2026 grid7DClassical piece said to be the inspiration for Chopin's "Fantaisie-Impromptu"15 ltrs›8DKepler-22b or Kepler-186f, e.g.15 ltrs›34DWrapping material in mummification5 ltrs›38DDeep-fried side dish, familiarly4 ltrs›39DUnexciting, as a party4 ltrs›44DCatamounts5 ltrs›45DLike some readers4 ltrs›48DYoung's partner in accounting5 ltrs›
More clues from this puzzle
May 22, 20261AGuns, so to speak6 ltrs›7APrefix with American4 ltrs›11ACharcuterie spread4 ltrs›15AFootnote phrase6 ltrs›16ASherwood, e.g.9 ltrs›18AQualifier to an embarrassing question16 ltrs›20ALocation for some osteoarthritis4 ltrs›21A___-Saint-Michel (French commune on a tidal island)4 ltrs›
Back to the full May 22, 2026 answer list, or browse the puzzle archive.