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obstruction

obstruction

37 4.4
A thing that blocks a passage like a pipe or artery
  • noun
  • /əbˈstrʌkʃən/
: obstrucción
  • So, was there a barricade, or an obstruction of any kind that forced the car to stop?
  • airway obstruction
  • bowel obstruction
  • nasal obstruction

And so they did an ultrasound and the ultrasound showed an obstruction in her bowels.

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Examples

  • She has an obstruction that is not allowing the normal peristalsis of the smooth muscle to continue.

  • Anyway, I did manage to clear the obstruction out of your outlet pipe.

  • - Can you get rid of this obstruction?

  • - It's a traffic obstruction.

  • Would you mind removing that obstruction, please.

  • I just want to make sure she doesn't have any obstruction that requires surgery.

  • Captain Lynch has informed us that there will be a delay... ...due to an obstruction on the runway.

  • Determine if there are any obstructions that block sunlight and shade the installation area.

    Academic text (2012)
  • And so they did an ultrasound and the ultrasound showed an obstruction in her bowels.

  • There was an obstruction in the tunnel, causing the train to stop for hours.

Synonyms

obstacle
vsobstruction
298 3.4

A thing or problem that makes it hard to reach a goal

is narrowly about a physical stop of passage or flow rather than any difficulty
barrier
vsobstruction
172 2.8

A thing that blocks movement or keeps places apart

is specifically about blocking a passage or flow rather than general separation
impediment
vsobstruction
49 7.0

Something that stops or slows progress

is focused on a physical stoppage of a passage or flow rather than general slowness
blockage
vsobstruction
34 4.1

Something that blocks a pipe or blood vessel and stops flow

is about a physical thing that stops passage or flow rather than abstract trouble
roadblock
vsobstruction
32 3.9

A problem that stops progress or makes a goal hard to reach

is specifically a physical stoppage of a passage or flow rather than a general condition
closure
vsobstruction
30 4.4

A blockage that stops liquid or air moving through a pipe

is the physical thing that prevents passage or flow rather than the closing action
bottleneck
vsobstruction
21 4.6

A narrow place, like where lanes merge, that slows movement

is any physical stoppage, not only narrow points that cause delays
hindrance
vsobstruction
21 5.7

A thing that makes it difficult to do something, like an injury or traffic

is about a concrete physical stoppage of a passage or flow rather than general difficulty
clogging
vsobstruction
4 4.6

Something that blocks the normal flow of liquid or traffic

is the actual physical stoppage of passage or flow rather than the causing process
barrier to progress
vsobstruction
1 3.9

Something that stops a project or work from moving forward

is a concrete physical stoppage of passage or flow, not a metaphorical prevention
hinderance
vsobstruction
1 7.1

Something that makes progress slow or difficult

is a physical thing that stops passage or flow rather than an action or delay
stopblock
vsobstruction
1 5.7

A block that keeps a vehicle from moving past the end of a track

is the physical stoppage of a passage or flow rather than just a placed device
obstructer
vsobstruction
1 5.8

Someone or something that blocks progress

is limited to a physical stoppage of a passage or flow rather than actions alone
stymie
vsobstruction
1 8.4

An obstacle that stops progress

is specifically the physical stoppage of a passage or flow rather than a situational barrier
obstructor
vsobstruction
8.1

An object that blocks a path or movement

refers specifically to physical stopping of a passage or flow rather than general slowing

Antonyms

∞ 2.6

The right to enter and use something like a building or online service

101 1.0

A space that lets people move through, for example a door

13 4.2

The amount of space between two things so they do not touch

Compounds

75 8.6

A crime of blocking police or court work on purpose, for example hiding evidence, lying to investigators

1 5.8

A blockage in the intestine that stops food and waste moving through

How Obstructive

wall
∞ 1.0
barrier
172 2.8
barricade
71 4.8
obstruction
37 4.4
blockage
34 4.1
narrowing
1 4.9

Surface Forms

obstruction singular
obstructions plural

Morphology

obstruction = obstruct (transparent) = ob + struct + ion

The transition from 'obstruct' to 'obstruction' is a standard noun formation indicating the act or state of blocking.

Etymology

Obstruction comes from Latin parts ob- ('against') and struere ('to pile up'), the same root as structure. Picture stones 'piled up against' a road or pipe — that's why an obstruction is something that physically blocks a passage.