: precisely adjusted for the highest level of performance, efficiency, or effectiveness
His voice on "Always Late with Your Kisses" rolled along its cordillera of syllables like a fine-tuned sports car.—Bryan Di Salvatore
: improved or refined over time
His story is that of a man with an exquisitely fine-tuned creative imagination …—Bruce McCall It is one of the many recipes that are treasured family hand-downs or the fine-tuned ideas of Marilyn Lewis …—Caroline Bates
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