[adjective] difficult to describe; "a haunting elusive odor"
[adjective] skillful at eluding capture; "a cabal of conspirators, each more elusive than the archterrorist"- David Kline Synonyms:evasive
[adjective] 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" Synonyms:subtle
