Definitions for "evasive"
Tending to evade, or marked by evasion; elusive; shuffling; avoiding by artifice.
skillful at eluding capture; "a cabal of conspirators, each more elusive than the archterrorist"- David Kline
Tending Or seeking to evade.  Evasive action is action taken to evade or escape from a problem, danger, or hazard.
deliberately vague or ambiguous; "his answers were brief, constrained and evasive"; "an evasive statement"
dodging, avoiding contact
avoiding or escaping from difficulty or danger especially enemy fire; "pilots are taught to take evasive action"