Main entry: elusive
Definition: skillful at eluding capture
Usage: a cabal of conspirators, each more elusive than the archterrorist- David Kline
Main entry: elusive, tough, baffling, problematic, problematical, knotty
Definition: making great mental demands; hard to comprehend or solve or believe
Usage: a baffling problem; I faced the knotty problem of what to have for breakfast; a problematic situation at home
Main entry: elusive
Definition: difficult to describe
Usage: a haunting elusive odor
Definition: difficult to detect or grasp by the mind or analyze
Usage: his whole attitude had undergone a subtle change; a subtle difference; that elusive thing the soul