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Improve, like an engine

Looking for the answer to the USA Today Crossword clue “Improve, like an engine”? The solution is SOUPUP, a 6-letter word. This clue was most recently seen in the June 29, 2026 (Monday) USA Today Crossword. Tap any date below to open that day's complete puzzle, or search another clue from the bar above.

Answer
SOUPUP

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