\Sub"tly\, adv.
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.