Finetune refers to the process of making minor adjustments or modifications to improve the performance or accuracy of something. It is a term frequently used in the field of science, engineering, music, and technology. Synonyms for finetune include tweak, refine, adjust, calibrate, hone, polish, fine-tune, perfect, optimize, and enhance. These terms all suggest a process of careful and deliberate improvement, where minor changes have a significant impact on the overall outcome. Whether you are finetuning a computer algorithm, tuning a musical instrument, or adjusting a mechanical component, the goal is always to bring it closer to perfection or maximum performance.