• One can generally pass around obstructions like this on the trail
    One can generally pass around obstructions like this on the trail
  • WordNet 3.6
    • n obstruction getting in someone's way
    • n obstruction the act of obstructing "obstruction of justice"
    • n obstruction any structure that makes progress difficult
    • n obstruction something immaterial that stands in the way and must be circumvented or surmounted "lack of imagination is an obstacle to one's advancement","the poverty of a district is an obstacle to good education","the filibuster was a major obstruction to the success of their plan"
    • n obstruction the physical condition of blocking or filling a passage with an obstruction
    • ***
Webster's Revised Unabridged Dictionary
    • Obstruction That which obstructs or impedes; an obstacle; an impediment; a hindrance. "A popular assembly free from obstruction ."
    • Obstruction The act of obstructing, or state of being obstructed.
    • Obstruction The condition of having the natural powers obstructed in their usual course; the arrest of the vital functions; death. "To die, and go we know not where,
      To lie in cold obstruction , and to rot."
      "Disparity in age seems a greater obstacle to an intimate friendship than inequality of fortune.""The king expected to meet with all the obstructions and difficulties his enraged enemies could lay in his way."
    • ***
Century Dictionary and Cyclopedia
    • n obstruction 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.
    • n obstruction 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.
    • n obstruction Stoppage of the vital function; death.
    • n obstruction Systematic and persistent factious opposition, especially in a legislative body; factious attempts to hinder, delay, defeat, or annoy.
    • n obstruction Synonyms Difficulty, Impediment, etc. (see obstacle), bar, barrier.
    • ***
Chambers's Twentieth Century Dictionary
    • Obstruction act of obstructing: that which hinders progress or action: opposition, esp. in a legislative assembly
    • ***


  • Hsi-Tang
    “Although gold dust is precious, when it gets in your eyes it obstructs your vision.”


Webster's Revised Unabridged Dictionary
L. obstructio,
Chambers's Twentieth Century Dictionary
L. obstruĕre, obstructumob, in the way of, struĕre, structum, to pile up.


In literature:

This term applies to obstruction of the gullet as well as that of the windpipe.
"The Veterinarian" by Chas. J. Korinek
The great organs, being obstructed in their spontaneous-automatism, at last with violence arouse the active conscious-centers.
"Fantasia of the Unconscious" by D. H. Lawrence
Camillo surveyed the obstruction and decided to wait.
"Brazilian Tales" by Joaquim Maria Machado de Assis
But, no doubt, obstructions would present themselves along the route to cause many a detour.
"The Castaways" by Captain Mayne Reid
The obstruction was only apparent, and did not cause the leading savage of the party to make even a temporary stop.
"The Lone Ranche" by Captain Mayne Reid
Such was the general character of the obstructions before the fleet.
"The Gulf and Inland Waters" by A. T. Mahan
There are no obstructions in the way, are there?
"Canoe Boys and Campfires" by William Murray Graydon
It seems to mean obstructed circulation through the lungs.
"Preventable Diseases" by Woods Hutchinson
In spite of the sunken obstructions, the ships made their way through without difficulty.
"The Campaign of 1776 around New York and Brooklyn" by Henry P. Johnston
There was a collision, the track was obstructed, and only the 7th and 8th Georgia got through.
"The Long Roll" by Mary Johnston

In poetry:

Shall human wisdom then, with beetle sight,
Because obstructed in its blund'ring flight,
Despise the deep conviction of our birth,
And limit life to this degraded earth?
"Eccentricity" by Washington Allston
The fearless Lover wants no Beam of Light,
The Robber knows him, nor obstructs his Way,
Sacred he wanders through the pathless Night,
Belongs to Venus, and can never stray.
"Elegy V" by James Hammond
I took it for a bird of prey that soared
High over ocean, battled mount, and plain;
'Twas but a bird-moth, which with limp horns gored
The invisibly obstructing window-pane!
"A Better Thing" by George MacDonald
Just so our course we steer,
In youth's expanding year,
Culling fresh sweets from ev'ry flower that blows;
Nor briars obstruct our way,
For ever brisk and gay,
Heedless of ev'ry thorn we pluck the rose.
"To The Bee" by Elizabeth Bath
Know'st thou the mountain, and its cloudy bridge?
The mule can scarcely find the misty ridge;
In caverns dwells the dragon's olden brood,
The frowning crag obstructs the raging flood.
Know'st thou it well?
"Mignon" by Johann Wolfgang von Goethe
"I'll see you damned," says Dooleyvitch; but e'er he checked his tongue,
(It may have been an accident) the little Giant swung;
Swift as a lightning flash it swung, until it plumply bore
And met with an obstruction in the shape of Lew lamore.
"The Ballad Of Touch-The-Button Nell" by Robert W Service

In news:

Filibusters have become a means of obstructing progress.
Star-Ledger file photo James Exum stands next to Salaam Ismial, Director of the United Youth Council Inc Ismial holds up the air freshener which police said was obstructing Exum's view when they pulled up next to his parked car on April 29.
Clinically, small bowel obstruction was suspected.
Obama deserves credit for progressing slowly despite the obstructions put in front of him.
The Arcapta Neohaler (indacaterol inhalation powder) has been approved by the US Food and Drug Administration for the long-term treatment of chronic obstructive pulmonary disease (COPD).
Reflexive Bipartisanship Is Just as Problematic as Obstruction.
WEST CALDWELL — A West Caldwell police report concluded that shrubbery around an intersection obstructed the view of a police officer responding to an emergency and caused a three-car crash last month when he ran through a red light.
At the time, they feared the dunes would obstruct the view of the beach.
He also faces charges for having an open container in a motor vehicle, underage drinking, damaging property and obstructing an officer.
It's used primarily, as the name suggests, as a photo and video platform because it has an open cockpit and there's nothing surrounding the front view to obstruct it.
The US Court of Appeals for the 10th Circuit has upheld the felony obstruction of justice conviction against former Albuquerque police officer Brad Ahrensfield.
Sleep apnea is a condition in which breathing during sleep is hindered by an obstruction in the airway.
Holy obstruction of justice Batman, caped crusader arrested in Michigan.
Caped crusader arrested for obstructing justice.
Former all-star baseball pitcher Roger Clemens leaves the US District Court on Monday after the first day of his perjury and obstruction trial in Washington, D.C.

In science:

The class of its classifying cocycle is the obstruction of [ω ] to be integral.
Gerbes, 2-gerbes and symplectic fibrations
In the general case, we will use the gerbe C ′ (ω ) to define a 2-gerbe which represents the geometric obstruction of the class [ω ] to be lifted to P .
Gerbes, 2-gerbes and symplectic fibrations
The cohomology class of the classifying cocycle of this gerbe is the obstruction to extend [ω ].
Gerbes, 2-gerbes and symplectic fibrations
In Brylinski has studied the following problem: Suppose defined on P a 2-form Ω whose restriction to each fiber is closed, integral and symplectic, find obstructions to build a closed 2-form whose restriction to a fiber Fu above u, coincides with the restriction of Ω on the fiber Fu .
Gerbes, 2-gerbes and symplectic fibrations
If H 1 (F, IR) = 0, the obstruction to find such a class is a gerbe Cp (ω ) defined on N .
Gerbes, 2-gerbes and symplectic fibrations