The clue "Fluid-filled sac" last appeared in the USA Today crossword on December 23, 2025. The correct answer for this puzzle is "CYST", a 4-letter word.
Solution CYST is our most searched for solution by our visitors. Solution CYST is 4 letters long. We have 0 further solutions of the same word length.
There are 2 solutions. The longest is BURSA with 5 letters, and the shortest is CYST with 4 letters.
Yes, "FLUID-FILLED SAC" is hot right now (last checked: 29 Dec 2025) .If you´re stuck, you´re not alone!
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Solutions are between 4 and 5 letters long.