This clue appeared in the NYT Crossword on Monday, January 19, 2026 (35 Down). The answer is hidden below until you want it. Monday puzzles are the easiest of the week, so the clue is likely a plain definition.
Answer length: 9 squares
First letter
S _ _ _ _ _ _ _ _
First and last letters
S _ _ _ _ _ _ _ G
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About the answer
SPARKPLUG as a word: (transitive) To serve as the driving force behind (a new endeavour); Alternative form of spark plug. [The part of some internal combustion engines which forms a high-voltage electric spark which ignites the fuel-air mixture to....
SPARKPLUG has been an answer once in the NYT Crossword and Mini puzzles we have on file, which go back to October 23, 2025.
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