The clue "Unreturnable serve" last appeared in the USA Today crossword on June 25, 2025. The correct answer for this puzzle is "ACE", a 3-letter word.
Solution ACE is 3 letters long. So far we haven´t got a solution of the same word length.
There is 1 solutions. The longest is ACE with 3 letters, and the shortest is ACE with 3 letters.
No, "UNRETURNABLE SERVE" hasn´t seen a spike right now. Solvers are most interested in: ANNOYING KID, Upset, Walk, Composition and nascent.
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The solution is 3 letters long.