failure - an act that fails; "his failure to pass the test"

recidivism - habitual relapse into crime

change state, turn - undergo a transformation or a change of position or action; "We turned from Socialism to Capitalism"; "The people turned against the President when he stole the election"

retrovert, revert, turn back, regress, return - go back to a previous state; "We reverted to the old rules"