SUBTLENESS
Sub"tle*ness, n.

Defn: The quality or state of being subtle; subtlety.

SUBTLETY Sub"tle*ty, n.; pl. Subtleties. Etym: [OE. sotelte, sutilte, OF. sotillete, L. subtilitas. See Subtle, and cf. Subtility.]

1. The quality or state of being subtle, or sly; cunning; craftiness; artfulness. The fox which lives by subtlety. Shak.

2. Nice discernment with delicacy of mental action; nicety of discrimination.

3. Something that is sly, crafty, or delusive. Unlearned in the world's false subtleties. Shak.

SUBTLY
Sub"tly, adv.

Defn: In a subtle manner; slyly; artfully; cunningly.
Thou seest how subtly to detain thee I devise. Milton.

2. Nicely; delicately.
In the nice bee what sense so subtly true. Pope.
Subtly communicating itself to my sensibilities, but evading the
analysis of my mind. Hawthorne.

3. Deceitfully; delusively. [Obs.] Shak.