Definitions

obstruct

[uhb-struhkt] / əbˈstrʌkt /

VERB

prevent, restrict

Synonyms

STRONGEST

block curb cut off hamper hinder impede inhibit interfere obscure retard stall stonewall stymie thwart

STRONG

arrest bar barricade check choke clog close congest crab fill frustrate hamstring hide interrupt mask occlude plug restrain sandbag shield stop stopper terminate throttle trammel

WEAK

dead-end drag one's feet foul up get in the way hang up hold up monkey with shut off slow down weigh down

Antonyms

STRONGEST

advance aid allow assist encourage facilitate forward further help permit promote push

STRONG

begin continue free lay bare let go liberate open release reveal start support unblock uncover unmask unplug unstop

WEAK

abet boost clear

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Castillero and Martinsen were both also convicted of conspiracy to obstruct justice and obstruction charges.

From The Wall Street Journal • May 21, 2026

It applies to the strait and adjacent waters to "secure transit passage and to deter attempts to close, obstruct or otherwise interfere with international navigation through the Strait of Hormuz."

From Barron's • Apr. 3, 2026

But because he allegedly tried to obstruct the investigation, he faces a separate set of charges on much firmer legal ground.

From Slate • Mar. 11, 2026

The person then looks around the patio and yard area apparently for something to obstruct the camera and eventually settling on some greenery found in the yard.

From Los Angeles Times • Feb. 10, 2026

Institutions—government, religion, school administrations, the music industry, Microsoft—were roadblocks, put on earth to obstruct and torment him, invade his privacy and limit his freedom of movement on the Internet.

From "Geeks: How Two Lost Boys Rode the Internet Out of Idaho" by Jon Katz

Vocabulary lists containing obstruct

The Declaration of Independence

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List 1

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Essential Academic Vocabulary for High School Students, List 3

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