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1. Definition + Rich Everyday Explanation
Obstruct (verb) ( ıbs trakt ) = to block, hinder, or get in the way of something, preventing movement, progress, or visibility.
“Obstruct” is about blocking — whether physically, legally, or metaphorically. When something obstructs, it gets in the way and prevents something else from happening, moving, or being seen clearly.
The word works on multiple levels. Physically, you can obstruct a path, doorway, or road by putting something in the way. A fallen tree obstructs traffic. A parked car obstructs the entrance. A tall person obstructs your view at a concert. In these cases, there’s a literal barrier preventing movement or sight.
In more abstract contexts, “obstruct” describes interference with processes, investigations, or progress. Politicians obstruct legislation they don’t like. Bureaucracy obstructs development. Witnesses who refuse to cooperate obstruct investigations. This meaning carries a sense of deliberate interference — someone or something is actively getting in the way.
The word appears frequently in legal and official contexts. “Obstruction of justice” is a serious crime — it means interfering with legal proceedings, hiding evidence, or preventing authorities from doing their job. You’ll hear this phrase constantly in news about political scandals and criminal trials.
“Obstruct” sounds more formal and serious than simple words like “block” or “stop.” It implies significance — whatever is being obstructed matters, and the obstruction is a problem that needs addressing.
Examples from the street:
- “A lorry broke down and obstructed the motorway for hours” → a truck blocked the road and stopped traffic moving
- “He was charged with obstructing a police investigation” → he was accused of deliberately interfering with official enquiries
- “Please don’t obstruct the fire exit” → don’t block the emergency door
2. Most Common Patterns
- obstruct + path / road / entrance / exit → physically block a way through
- obstruct someone’s view → block what someone can see
- obstruct justice / an investigation → interfere with legal processes
- obstruct progress / development → hinder forward movement
- be charged with / accused of obstructing → face legal action for interference
3. Phrasal Verbs
Note: There are no common phrasal verbs directly containing “obstruct” — these are related expressions used in similar contexts:
- block off → close or seal an area to prevent access
Example: “Police blocked off the street after the accident.”
- get in the way (of) → obstruct or interfere with something
Example: “Don’t let minor setbacks get in the way of your goals.”
- stand in the way (of) → be an obstacle to something happening
Example: “I won’t stand in the way of your decision to move abroad.”
4. Example Sentences
- A fallen tree obstructed the road, forcing drivers to find alternative routes
→ A tree that had come down blocked the way, making motorists take different paths.
- The politician was accused of obstructing justice by destroying key documents
→ The official faced charges of interfering with legal proceedings by getting rid of important papers.
- Please don’t stand there — you’re obstructing my view of the stage
→ Could you move? You’re blocking what I can see of the performance.
- Bureaucratic red tape continues to obstruct the approval process
→ Excessive administrative procedures keep interfering with getting things authorised.
- The protesters obstructed the entrance to the government building
→ Demonstrators blocked the way into the official premises.
- He was arrested for obstructing a police officer during the investigation
→ He was taken into custody for interfering with an officer carrying out enquiries.
- Overgrown bushes were obstructing the pavement, forcing pedestrians onto the road
→ Plants that had grown too large were blocking the walkway, making people walk in the street.
- Internal disagreements obstructed progress on the reform bill for months
→ Conflicts within the group hindered advancement on the proposed legislation.
- The new building would obstruct natural light to the neighbouring properties
→ The construction would block sunlight from reaching the houses next door.
- Witnesses who lie to police are obstructing the course of justice
→ People who give false statements to authorities are interfering with legal processes.
5. Personal Examples
- Fear of judgment can obstruct students’ willingness to participate — creating a supportive atmosphere removes this barrier
→ Anxiety about being criticised often blocks learners from joining in, so building a welcoming environment eliminates this obstacle.
- Translating everything in your head obstructs natural fluency — the goal is to think directly in English
→ Converting everything mentally into your first language blocks smooth speaking, so the aim is processing without translation.
6. Register: Formal to Neutral
✔ Native usage tips
- “You’re obstructing the exit” = the formal version of “you’re in the way” — used by staff, security, and officials
- “Obstruction of justice” = the legal phrase everyone knows from crime dramas and political scandals
- Signs everywhere: “Do not obstruct this door” = the polite command on fire exits and emergency routes
- Football/sports: “Obstruction!” = what fans shout when they think a player illegally blocked another
- Medical context: “Bowel obstruction” = serious condition where something blocks the intestines — quite common phrase
- Passive-aggressive workplace: “I don’t want to obstruct progress, but…” = what people say before obstructing progress
- News headlines: “Minister accused of obstructing inquiry” = standard political scandal language
- Concert frustration: “That tall guy is obstructing everyone’s view” = the polite complaint about someone blocking the stage
✔ Similar expressions / words
- Block → simpler, more casual word for the same physical action; obstruct sounds more official
- Hinder → slow down or make difficult; less complete than obstruct, which implies stronger interference
- Impede → formal synonym often used in legal or technical contexts; very close in meaning to obstruct
