impediment impediment /ˌɪmˈpɛdəmənt/

noun

1. Any structure that makes progress difficult  ( impediment , impedimenta , obstructer , obstruction , obstructor )
   any structure that makes progress difficult
     The fallen tree served as an obstruction on the hiking trail.
   The fallen tree served as an obstruction on the hiking trail.
   
2. Something immaterial that interferes with or delays action or progress  ( balk , baulk , check , deterrent , handicap , hinderance , hindrance , impediment )
   something immaterial that interferes with or delays action or progress