obstruction

1. Any structure that makes progress difficult (synset 103845513)
   is a type of: construction, structure - a thing constructed; a complex entity constructed of many parts
   subtypes:

   • bar - an obstruction (usually metal) placed at the top of a goal
   • barrier - a structure or object that impedes free movement
   • blockade - prevents access or progress
   • block, blockage, closure, occlusion, stop, stoppage - an obstruction in a pipe or tube
   • encumbrance, hinderance, hindrance, hitch, incumbrance, interference, preventative, preventive - any obstruction that impedes or is burdensome
   • obstacle - an obstruction that stands in the way (and must be removed or surmounted or circumvented)
   • tumbler - a movable obstruction in a lock that must be adjusted to a given position (as by a key) before the bolt can be thrown
   same as: impediment, impedimenta, obstructer, obstructor
2. The physical condition of blocking or filling a passage with an obstruction (synset 114531553)
   is a type of: physical condition, physiological condition, physiological state - the condition or state of the body or bodily functions
   subtypes:

   • ileus, intestinal obstruction - blockage of the intestine (especially the ileum) that prevents the contents of the intestine from passing to the lower bowel
   • tamponade, tamponage - blockage or closure (as of a wound or body cavity) by (or as if by) a tampon (especially to stop bleeding)
   same as: blockage
3. Something immaterial that stands in the way and must be circumvented or surmounted (synset 105698074)
   "lack of imagination is an obstacle to one's advancement"; "the poverty of a district is an obstacle to good education"; "the filibuster was a major obstruction to the success of their plan"
   is a type of: balk, baulk, check, deterrent, handicap, hinderance, hindrance, impediment - something immaterial that interferes with or delays action or progress
   subtypes:

   • barrier, roadblock - any condition that makes it difficult to make progress or to achieve an objective
   • hang-up, hitch, rub, snag - an unforeseen obstacle
   • hurdle - an obstacle that you are expected to overcome
   • stymie, stymy - a thwarting and distressing situation
   same as: obstacle
4. The act of obstructing (synset 101076422)
   "obstruction of justice"
   is a type of: hinderance, hindrance, interference - the act of hindering or obstructing or impeding
   subtypes:

   • blockage, closure, occlusion - the act of blocking
   • stall, stalling - a tactic used to mislead or delay
   • 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
5. Getting in someone's way (synset 100563317)
   is a type of: maneuver, manoeuvre, play - a deliberate coordinated movement requiring dexterity and skill
   subtypes:

   • block, blocking - the act of obstructing or deflecting someone's movements
   • check - obstructing an opponent in ice hockey

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