fine-tune meaning and definition

FINE-TUNE verb

Definition of fine-tune (verb)

1. improve or perfect by pruning or polishing
   • "refine one's style of writing"
   • synonyms: down, polish, refine
2. adjust finely
   • "fine-tune the engine"
   • synonyms: tweak
3. make fine adjustments or divide into marked intervals for optimal measuring
   • "calibrate an instrument"; "graduate a cylinder"
   • synonyms: calibrate, graduate