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1. An adjustment, as of a motor or engine, made to improve working order or efficiency.
2. A practice or preparatory session for an important event: The scrimmage was a tune-up for the big game.
an adjustment, as of a motor, to improve working order or condition.
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|Noun||1.||tune-up - exercising in preparation for strenuous activity|
|2.||tune-up - adjustments made to an engine to improve its performance|