obstruction

Từ điển American Heritage Dictionary 4th

ob·struc·tion (əb-strŭkʹshən, ŏb-)n.
1. One that obstructs; an obstacle. See Synonyms at obstacle.
2.
a. The act or an instance of obstructing.
b. The condition of being obstructed.
3. The act of causing a delay or an attempt to cause a delay in the conduct of business, especially in a legislative body.
4. Sports. The act of impeding another player in a match or race.

• Từ đồng nghĩa / Synonyms:
  obstacle, blockage, obstructor, obstructer, impediment, impedimenta