[ uhb-struhk-shuhn ]
See synonyms for obstruction on Thesaurus.com
  1. something that obstructs, blocks, or closes up with an obstacle or obstacles; obstacle or hindrance: obstructions to navigation.

  2. an act or instance of obstructing.

  1. the state of being obstructed.

  2. the delaying or preventing of business before a deliberative body, especially a legislative group, by parliamentary contrivances.

Origin of obstruction

First recorded in 1525–35; from Latin obstructiōn- (stem of obstructiō) “barrier.” See obstruct, -ion

synonym study For obstruction

1. See obstacle.

Other words for obstruction

Opposites for obstruction

Other words from obstruction

  • pre·ob·struc·tion, noun

Words Nearby obstruction

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use obstruction in a sentence

British Dictionary definitions for obstruction


/ (əbˈstrʌkʃən) /

  1. a person or thing that obstructs

  2. the act or an instance of obstructing

  1. delay of business, esp in a legislature by means of procedural devices

  2. sport the act of unfairly impeding an opposing player

  3. the state or condition of being obstructed

Derived forms of obstruction

  • obstructional, adjective
  • obstructionally, 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