¦ ̷ ̷ ˈ ̷ ̷ transitive verb
1.
a. : to adjust precisely so as to bring to the highest level of performance, efficiency, or effectiveness
fine-tune a TV set
b. : to improve through minor alteration, revision, or modification
fine-tuning their policies
2. : to stabilize (an economy) by small-scale fiscal and monetary manipulations