The clue "Fail to keep up" last appeared in the USA Today crossword on April 27, 2019. The correct answer for this puzzle is "LAG", a 3-letter word.
Solution LAG is our most searched for solution by our visitors. Solution LAG is 3 letters long. We have 1 further solutions of the same word length.
There are 5 solutions. The longest is DROPBEHIND with 10 letters, and the shortest is LAG with 3 letters.
Yes, "FAIL TO KEEP UP" is currently trending (last update: 29 Mar 2026). Many solvers seem to find this clue challenging! Other clues with traffic peaks today are: Group, Alert, Exclusive, rowdy and secretive.
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Solutions are between 3 and 10 letters long.