self-defeating
1. [ adjective ] acting to defeat its own purpose
Examples:

"it is self-defeating...to ignore the progress of events"

Related terms: unsuccessful
Similar spelling:   self-deprecating
  self-denying
  self-defense
  self-defence
  self-destruction
  self-direction
  self-deception
  self-denial
  self-deceit
  self-education
  self-destructive
  self-destruct