Ni″ce‐ty (?), n.; pl.Niceties (#). [OE. niceté foolishness.] 1. The quality or state of being nice (in any of the senses of that word.).
The miller smiled of her nicety. Chaucer.
2. Delicacy or exactness of perception; minuteness of observation or of discrimination; precision.
3. A delicate expression, act, mode of treatment, distinction, or the like; a minute distinction.
The fineness and niceties of words. Locke.
To a nicety, with great exactness or accuracy.