What is the answer to "Improve, like an engine" in the USA Today Crossword?

The answer to the USA Today Crossword clue "Improve, like an engine" is SOUPUP (6 letters).

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Improve, like an engine USA Today Crossword Clue

Down clue · from the June 29, 2026 puzzle

Stuck on “Improve, like an engine” from the USA Today Crossword? Here is the verified answer:

Answer

SOUPUP

6 letters · Down · last seen June 29, 2026

1DPeople ruled by Atahualpa5 1A"That so?"4 3DFlypaper and bug zappers11 4DBiggest festival in Vietnam3 5AIn the thick of4 5DType of ant known for group raids4 6DApply incorrectly6 7D"Yes," at the altar3 8DRebellious stance8 9DHearty gulp4 9AMake a trade4