The clue "Strong fiber" last appeared in the The Washington Post crossword on September 3, 2019. The correct answer for this puzzle is "SISAL", a 5-letter word.
Solution SISAL is our most searched for solution by our visitors. Solution SISAL is 5 letters long. We have 1 further solutions of the same word length.
There are 3 solutions. The longest is RAMIE with 5 letters, and the shortest is BAST with 4 letters.
Indeed, the puzzle clue "STRONG FIBER" has seen a surge in lookups recently (last checked: 05 May 2026). Apparently it´s giving players some headaches!
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Solutions are between 4 and 5 letters long.