Struck out, as one letter in each of this puzzle's theme answers

Question:

Answer:

XED

Length:

Similar Crossword Questions:

Out of whack, or what's featured in each of this puzzle's theme answers
Number of times this puzzle's theme word appears diagonally in the grid (to complete the puzzle, shade those words plus the Down answers that begin where they meet)
Records "broken" in this puzzle's nine theme answers
"Gosh!" (or, based on the starts of starred answers, one who is expert at solving this puzzle's theme?)
Write in any of this puzzle's eight theme answers?
"Home work" letters that appear at both ends of this puzzle's theme answers
Nickname for the three-letter abbreviation hidden in this puzzle's theme entries
Shade from the sun that's inserted in this puzzle's theme answers
What three-letter words do in five answers in this puzzle
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Big fight, and clue to this puzzle's theme that begins the four longest answers
Surplus integral to this puzzle's theme answers
Shoe additions, and what this puzzle's theme answers contain
Tip, and a hint to this puzzle's theme found in five answers
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Agent "embedded" in this puzzle's theme answers
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Letter upon which this puzzle's theme is built
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Numerator for this puzzle's theme answers
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