Subtlety - Definition
subtlety
n 1: 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" [syn:
nuance, nicety, shade, subtlety, refinement]
2: the quality of being difficult to detect or analyze; "you had
to admire the subtlety of the distinctions he drew" [syn:
subtlety, niceness]