[ uhb-struhk-shuhn ]
/ əbˈstrʌk ʃən /


something that obstructs, blocks, or closes up with an obstacle or obstacles; obstacle or hindrance: obstructions to navigation.
an act or instance of obstructing.
the state of being obstructed.
the delaying or preventing of business before a deliberative body, especially a legislative group, by parliamentary contrivances.

Origin of obstruction

1525–35; < Latin obstructiōn- (stem of obstructiō) barrier. See obstruct, -ion

OTHER WORDS FROM obstruction

pre·ob·struc·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for obstruction

British Dictionary definitions for obstruction

/ (əbˈstrʌkʃən) /


a person or thing that obstructs
the act or an instance of obstructing
delay of business, esp in a legislature by means of procedural devices
sport the act of unfairly impeding an opposing player
the state or condition of being obstructed

Derived forms of obstruction

obstructional, adjectiveobstructionally, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for obstruction

[ əb-strŭkshən, ŏb- ]


The blocking of a body passage, as by clogging or stricture.
The state of being obstructed.
Something, such as a mass or stricture, that obstructs.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.