definition of
[elusive]

[1] #1 elusive s. difficult to describe; "a haunting elusive odor". wn

[2] #2 elusive s. skillful at eluding capture; "a cabal of conspirators, each more elusive than the archterrorist"- David Kline. wn

[3] #3 elusive s. [baffling, knotty, problematic, problematical, tough] making great mental demands; hard to comprehend or solve or believe; "a baffling problem"; "I faced the knotty problem of what to have for breakfast"; "a problematic situation at home". wn