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.

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

Because Samsung’s software can control which pixels to disable—and when—it can selectively obstruct parts of the screen, then turn off the shield when you don’t need it.

From The Wall Street Journal • Feb. 25, 2026

The person notices the camera at Guthrie’s front porch and tries to cover the lens with their hand before scouting around the patio and yard area apparently for something to obstruct the camera.

From Los Angeles Times • Feb. 17, 2026

If the servers lined up just so—which my two occasionally did—they would obstruct my view so I couldn’t see their hands.

From "Newjack: Guarding Sing Sing" by Ted Conover

Vocabulary lists containing obstruct

The Declaration of Independence

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

List 1

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

Essential Academic Vocabulary for High School Students, List 3

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!