Definition of Obstruct
Quick Meaning of Obstruct
To block something or prevent it from moving forward. Like putting something in the way.
Detailed Definition of Obstruct
To block or get in the way of something; to prevent movement or progress; to hinder.
How to Pronounce Obstruct
Stress pattern: oO (2-syllable word).
Tip: Stress the second syllable: ub-STRUCT. The first syllable is quick and unstressed. Say 'b' sound clearly.
Watch out: Some learners stress the first syllable (OB-struct) instead of the second. Always say: ub-STRUCT.
Origin and Etymology of Obstruct
From Latin 'obstruere' (to block up). 'Ob-' means 'against' + 'struere' means 'to build'. Used in English since 16th century.
How to Use Obstruct in a Sentence
Each example shows “obstruct” with a CEFR level so learners can pick examples that match their fluency.
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“A fallen tree obstructed the road, forcing drivers to take an alternative route.”
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“The government was accused of trying to obstruct justice by withholding evidence.”
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“Dense fog obstructed our view of the mountain peaks.”
Synonyms and Antonyms of Obstruct
Common Synonyms for Obstruct
Smart Synonyms for Obstruct — When to Use Each
- block
- More informal; simple and direct meaning
- impede
- More formal; emphasizes slowing progress
- hinder
- Slightly less formal; broad meaning of getting
Antonyms of Obstruct
Common Collocations with Obstruct
These phrases pair with “obstruct” in everyday English:
- obstruct the view
- obstruct traffic
- obstruct justice
- obstruct progress
- obstruct an investigation
Common Mistakes When Using Obstruct
Even fluent speakers slip up with “obstruct”. Here’s how to avoid the most common errors:
- ✗ Wrong: The tree obstructed to the road.
- ✓ Correct: The tree obstructed the road.
- Why: 'Obstruct' is transitive; use it directly with the object, not with 'to'.
- ✗ Wrong: The building obstructed on the view.
- ✓ Correct: The building obstructed the view.
- Why: Use the direct object without a preposition. 'Obstruct the view', not 'obstruct on'.
- ✗ Wrong: He obstructed the law.
- ✓ Correct: He obstructed justice. / He violated the law.
- Why: With legal meaning, use 'obstruct justice', not 'obstruct the law'.
Other Forms of Obstruct
- Noun: obstruction
- Verb: obstruct
- Adjective: obstructive
- Adverb: obstructively
Frequently Asked Questions About Obstruct
What is the meaning of "Obstruct"?
To block something or prevent it from moving forward. Like putting something in the way.
How do you pronounce "Obstruct"?
The IPA is /əbˈstrʌkt/. Stress the second syllable: ub-STRUCT. The first syllable is quick and unstressed. Say 'b' sound clearly.
What part of speech is "Obstruct"?
"Obstruct" is a verb at C1 level (Common European Framework).
What are synonyms for "Obstruct"?
Common synonyms include block, hinder, impede.
How do you use "Obstruct" in a sentence?
For example: "A fallen tree obstructed the road, forcing drivers to take an alternative route."