#obstruction.hindrance  the act of obstructing; "obstruction of justice"
  supertype:  hindrance__interference  the act of hindering or obstructing or impeding
  subtype:  blockage__closure  the act of blocking
     subtype:  implosion  the initial occluded phase of a stop consonant
  subtype:  stalling__stall  a tactic used to mislead or delay
     subtype:  stonewalling  stalling or delaying especially by refusing to answer questions or cooperate
  subtype:  obstruction_of_justice  impeding those who seek justice in a court (as by trying to influence or intimidate any juror or witness or officer of the court); can result in a finding of contempt of court

No statement uses or specializes obstruction.hindrance; click here to add one.