Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Something that obstructs; an obstacle.
  • noun The act of obstructing.
  • noun The condition of being obstructed.
  • noun Sports The act of impeding another player in violation of the rules, as when a player impedes the progress of an opponent not in possession of the puck in ice hockey.

from The Century Dictionary.

  • noun The act of obstructing, blocking up, or impeding passage, or the fact of being obstructed; the act of impeding passage or movement; a stopping or retarding: as, the obstruction of a road or thoroughfare by felled trees; the obstruction of one's progress or movements.
  • noun That with which a passage is blocked or progress or action of any kind hindered or impeded; anything that stops, closes, or bars the way; obstacle; impediment; hindrance: as, obstructions to navigation; an obstruction to progress.
  • noun Stoppage of the vital function; death.
  • noun Systematic and persistent factious opposition, especially in a legislative body; factious attempts to hinder, delay, defeat, or annoy.
  • noun Synonyms Difficulty, Impediment, etc. (see obstacle), bar, barrier.

from the GNU version of the Collaborative International Dictionary of English.

  • noun The act of obstructing, or state of being obstructed.
  • noun That which obstructs or impedes; an obstacle; an impediment; a hindrance.
  • noun Poetic The condition of having the natural powers obstructed in their usual course; the arrest of the vital functions; death.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The act of obstructing, or state of being obstructed.
  • noun That which obstructs or impedes; an obstacle; an impediment; a hindrance.
  • noun The condition of having the natural powers obstructed in their usual course; the arrest of the vital functions; death.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun something immaterial that stands in the way and must be circumvented or surmounted
  • noun getting in someone's way
  • noun any structure that makes progress difficult
  • noun the act of obstructing
  • noun the physical condition of blocking or filling a passage with an obstruction

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin obstructio ("hindrance"), from obstruo ("build against, block, stop")

Examples

  • Hutchison, claiming to be a supporter of the death penalty, is criticizing Perry for what she calls obstruction of an investigation into the execution of a child murderer in 2004.

    American Thinker

  • Hutchison, claiming to be a supporter of the death penalty, is criticizing Perry for what she calls obstruction of an investigation into the execution of a child murderer in 2004.

    American Thinker

  • Mr. Gates has singled out the PLA as the main obstruction in the way of improved bilateral relations.

    Pentagon Reaches Out to China's Military

  • However, if the obstruction is related to underlying chromosomal or genetic conditions, the risk of recurrence equals the risk of recurrence of the underlying condition.

    Lower Urinary Tract Obstruction (LUTO)

  • Call it fear-mongering, call it obstruction, call it fantasy.

    Women sharply disagree with mammogram recommendation

  • Associated Press Defense Secretary Robert Gates has singled out the PLA as the main obstruction in the way of improved bilateral relations.

    Pentagon Reaches Out to China's Military

  • Subaortic and supravalvar stenosis do not get better with balloon dilation, and will require surgery if the amount of obstruction is moderate or severe, or, with subaortic stenosis, the aortic valve begins to leak significantly.

    Aortic Stenosis

  • Placing a shunt (a small, flexible tube) into the fetal bladder to provide continuous drainage when a obstruction is present.

    Glossary

  • Subpulmonic and supravalvar pulmonic stenosis do not get better with balloon dilation, and will require surgery if the amount of obstruction is moderate or severe.

    Pulmonary Stenosis

  • Zhang EY, Stein R, Chang S, Zheng Y, Zderic SA, Wein AJ, Chacko S: Smooth muscle hypertrophy following partial bladder outlet obstruction is associated with overexpression of non-muscle caldesmon.

    Publications of the Urology Division

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