- nuance, nicety, shade, subtlety, refinement - a subtle difference in meaning or opinion or attitude; "without understanding the finer nuances you can't enjoy the humor"; "don't argue about shades of meaning"
--1 is a kind of meaning, significance, signification, import
- subtlety, niceness - the quality of being difficult to detect or analyze; "you had to admire the subtlety of the distinctions he drew"
--2 is a kind of difficulty, difficultness