n. The quality of being elusive; tendency to elude.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the quality of being difficult to grasp or pin down
Word Usage
"Part of its elusiveness is because there are no direct jets from Miami, New York, Denver or L.A. This discourages some travelers and tones down the ritz and glitz characteristic of most Mexican beach resorts."