[ uhb-struhkt ]
/ əbˈstrʌkt /

verb (used with object)

to block or close up with an obstacle; make difficult to pass: Debris obstructed the road.
to interrupt, hinder, or oppose the passage, progress, course, etc., of.
to block from sight; to be in the way of (a view, passage, etc.).

Nearby words

  1. obstinance,
  2. obstinate,
  3. obstinately,
  4. obstipation,
  5. obstreperous,
  6. obstructed testis,
  7. obstruction,
  8. obstructionism,
  9. obstructionist,
  10. obstructive

Origin of obstruct

First recorded in 1605–15, obstruct is from the Latin word obstructus (past participle of obstruere to build or pile up in the way, bar). See ob-, construct

Related forms
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for unobstructed

British Dictionary definitions for unobstructed


/ (ˌʌnəbˈstrʌktɪd) /


(of a passageway, view, etc) not blocked by any object


/ (əbˈstrʌkt) /

verb (tr)

to block (a road, passageway, etc) with an obstacle
to make (progress or activity) difficult
to impede or block a clear view of
Derived Formsobstructor, nounobstructive, adjective, nounobstructively, adverbobstructiveness, noun

Word Origin for obstruct

C17: Latin obstructus built against, past participle of obstruere, from ob- against + struere to build

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

Word Origin and History for unobstructed
Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for unobstructed


[ əb-strŭkt, ŏb- ]


To block or close a body passage so as to hinder or interrupt a flow.
Related formsob•structive adj.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.