Source : Webster's Revised Unabridged Dictionary (1913)

Elusive \E*lu"sive\, a.
   Tending to elude; using arts or deception to escape; adroitly
   escaping or evading; eluding the grasp; fallacious.

         Elusive of the bridal day, she gives Fond hopes to all,
         and all with hopes deceives.             --Pope.
   -- {E*lu"sive*ly}, adv. -- {E*lu"sive*ness}, n.

Source : WordNet®

elusive
     adj 1: difficult to describe; "a haunting elusive odor"
     2: skillful at eluding capture; "a cabal of conspirators, each
        more elusive than the archterrorist"- David Kline [syn: {evasive}]
     3: be difficult to detect or grasp by the mind; "his whole
        attitude had undergone a subtle change"; "a subtle
        difference"; "that elusive thing the soul" [syn: {subtle}]