Meaning of OBSTRUCTOR

WordNet Dictionary
	Definition:		[n]  any structure that makes progress difficult [n]  someone who systematically obstructs some action that others want to take
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	Synonyms:		impediment, impedimenta, obstructer, obstructer, obstruction, obstructionist, resister, thwarter
	See Also:		bar, barrier, block, blockade, blockage, closure, construction, controversialist, disputant, encumbrance, hindrance, hitch, incumbrance, interference, naysayer, obstacle, occlusion, preventative, preventive, stonewaller, stop, stoppage, structure, tumbler