The quality of being very demanding, requiring great precision, care, or attention to detail.
From exacting (adjective) + -ness (noun-forming suffix). Creates an abstract noun describing the quality of demanding high standards.
The exactingness of classical ballet—where every movement, every angle, every second of timing must be precise—is what separates a professional from someone just dancing around.
Complete word intelligence in one call. Free tier — 50 lookups/day.