[], (Noun)

Definitions:
- A refinement of thought or argument; a fine point; = "subtlety". Usually in plural.

- Refinement in argument or speculation; (excessive) use of fine distinctions.

- = "subtlety". historical after 16th century.


Phrases:

Origin:
late Middle English (in an earlier sense). Partly an alteration of subtlety after subtile, and partly a variant of subtility with reduction of the final syllable