Thesaurus.com
Dictionary.com
Showing results for block.
Definitions

block

[blok] / blɒk /
NOUN
mass of material
Synonyms
STRONGEST
bar brick chunk piece section slab square
STRONG
cake cube hunk ingot loaf lump oblong segment slice solid
Antonyms
STRONGEST
whole
WEAK
opening
NOUN
obstruction
Synonyms
STRONGEST
bar barrier chunk roadblock wall
STRONG
blockage clog hang-up hindrance impediment jam mass obstacle obstruction snag stop stoppage
WEAK
blank wall
Antonyms
STRONG
advantage aid assistance beginning clearance continuation go help promotion start support
WEAK
opening
VERB
obstruct
Synonyms
STRONGEST
arrest bar blockade clog close close off cut off deter halt hinder hold up impede intercept prevent stall stop thwart
STRONG
barricade brake catch charge check choke congest dam dead-end fill occlude plug stonewall stopper stymie tackle
WEAK
block out close out hang up interfere with shut off shut out stop up take out of play
Antonyms
STRONGEST
advance aid allow assist begin continue encourage facilitate forward further give help let go open permit promote push release start support unstop
STRONG
free liberate unblock
WEAK
let up

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.

JAK inhibitors are therapeutic agents that block Janus kinase enzymes to treat diseases.

From The Wall Street Journal • Apr. 27, 2026

A Tillis vote against Warsh would have been enough to block the Senate Banking Committee from advancing the nomination to a confirmation vote on the Senate floor.

From Barron's • Apr. 26, 2026

So is hip-hop, which they use as a soundtrack to each digitally rendered block attack.

From Salon • Apr. 26, 2026

You can choose to block individual apps; whole categories of app, like social media or games; or even certain URLs.

From Slate • Apr. 26, 2026

“We’re half a block from the main police headquarters. And yet I don’t know where else to suggest.”

From "The Hiding Place" by Corrie ten Boom

Vocabulary lists containing block

Chapter 27: America and World War II

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!