[uh
b-struhk-shuh-nist] 
| 1. | a person who deliberately delays or prevents progress. |
| 2. | a person who delays or obstructs the business before a legislative body by parliamentary contrivances or legalistic maneuvers. |
| ob·struc·tion·ist (əb-strŭk'shə-nĭst, ŏb-) n. One who systematically blocks or interrupts a process, especially one who attempts to impede passage of legislation by the use of delaying tactics, such as a filibuster. ob·struc'tion·ism n., ob·struc'tion·is'tic adj. |