Nīce'ness, n.

n. 1. The quality of being nice; pleasantness to the sense; delicacy of perception; minute exactness; accuracy; as, niceness of taste, of work, of texture. Where's now the labored niceness in thy dress? Dryden. 2. Extreme delicacy; excess of scrupulousness or exactness. “Unlike the niceness of our modern dames.” Dryden.