obstruction -
n. 1 the act or an instance of blocking; the state of being blocked.
2 the act of making or the state of becoming more or less impassable.
3 an obstacle or blockage.
4 the retarding of progress
by deliberate delays, esp. of Parliamentary business.
5
Sport the act of unlawfully obstructing another player.
6 Med. a blockage in a bodily passage, esp. in an
intestine.
obstructionism n. (in sense 4). obstructionist n. (in sense 4). [L obstructio (as OBSTRUCT)]