subtlety

Definition of Subtlety in English :

a subtle difference in meaning or opinion or attitude

Example Sentences:
'without understanding the finer nuances you can't enjoy the humor'
'don't argue about shades of meaning'

2. niceness, subtlety

the quality of being difficult to detect or analyze

Example Sentences:
'you had to admire the subtlety of the distinctions he drew'

WordNet Lexical Database for English. Princeton University. 2010.

Subtlety

noun plural -ties

1.

the state or quality of being subtle; delicacy

2.

a fine distinction or the ability to make such a distinction

3.

something subtle

noun

1.

the quality or condition of being subtle; esp., the ability or tendency to make fine distinctions

2. Word forms: plural ˈsubtleties

something subtle; esp., a fine distinction

n. pl. sub·tle·ties

1. The quality or state of being subtle.

2. Something subtle, especially a nicety of thought or a fine distinction.