|1.||to block (a road, passageway, etc) with an obstacle|
|2.||to make (progress or activity) difficult|
|3.||to impede or block a clear view of|
|[C17: Latin obstructus built against, past participle of obstruere, from ob- against + struere to build]|
obstruct ob·struct (əb-strŭkt', ŏb-)
v. ob·struct·ed, ob·struct·ing, ob·structs
To block or close a body passage so as to hinder or interrupt a flow.