Synonyms of block

block 1 of 2

noun

ˈbläk 

1

as in cluster

a number of things considered as a unit

bought a block of stocks

Synonyms & Similar Words

• cluster
• batch
• array
• collection
• set
• bunch
• grouping
• group
• constellation
• assemblage
• lot
• clump
• package
• bank
• battery
• series
• suite
• assortment
• clutch
• variety
• mixture
• band
• clot
• parcel
• muster
• huddle
• aggregate
• accumulation
• aggregation
• jumble
• the whole kit and caboodle
• knot
• conglomeration
• passel
• agglomeration
• suit
• hodgepodge
• cycle
• odds and ends
• run
• sundries
• miscellany

Antonyms & Near Antonyms

• unit
• entity
• item
• single

2

as in obstacle

something that makes movement or progress difficult

constant bickering that is only a block to the completion of the project

Synonyms & Similar Words

• obstacle
• hurdle
• obstruction
• barrier
• interference
• let
• embarrassment
• chain
• stop
• inhibition
• impediment
• stumbling block
• clog
• load
• burden
• shackles
• hindrance
• constraint
• handicap
• encumbrance
• deterrent
• cramp
• bar
• drag
• balk
• brake
• blockade
• trammel
• delay
• curb
• hitch
• blockage
• crimp
• catch
• holdback
• stone wall
• rub
• fetter
• disadvantage
• manacle
• snag
• danger
• stall
• brick wall
• stoppage
• restraint
• arrest
• rein
• hazard
• embargo
• difficulty
• bit
• hobble
• reef
• drawback
• check
• holdup
• peril
• hardship
• cumber
• adversity

Antonyms & Near Antonyms

• incentive
• stimulus
• catalyst
• edge
• spur
• advantage
• impetus
• break
• benefit
• assistance
• aid
• stimulant
• help
• goad
• boost
• handmaiden

3

as in head

slang the upper or front part of the body that contains the brain, the major sense organs, and the mouth

threatened to knock the block off the jerk next door if he didn't can the noise

Synonyms & Similar Words

• head
• skull
• dome
• noodle
• bean
• noggin
• mazard
• pate
• poll
• nut
• nob
• noddle
• melon
• scalp
• crown
• cranium
• occiput

4

as in side

a group of people acting together within a larger group

a more conservative block within the political party

Synonyms & Similar Words

• side
• faction
• wing
• party
• bloc
• team
• coalition
• set
• sect
• body
• movement
• split
• crew
• denomination
• gang
• pack
• splinter
• caucus
• persuasion
• scission
• schism

5

as in confederacy

an association of persons, parties, or states for mutual assistance and protection

a block of oil-producing nations

Synonyms & Similar Words

• confederacy
• coalition
• union
• alliance
• league
• federation
• combine
• combination
• bloc
• axis
• confederation
• partnership
• group
• organization
• fusion
• side
• wing
• front
• association
• cartel
• syndicate
• faction
• conspiracy
• cooperative
• cabal
• trust
• affiliation
• junto
• conference
• circuit

block

2 of 2

verb

1

as in to fill

to close up so that no empty spaces remain

block up the opening in the wall where a window once was

Synonyms & Similar Words

• fill
• pack
• plug
• seal
• dam
• stop
• stuff
• bung
• obstruct
• clog
• congest
• occlude
• close (off)
• choke
• jam
• clot
• caulk
• chink
• repack
• restuff

Antonyms & Near Antonyms

• shovel
• hollow (out)
• excavate
• scoop (out)

2

as in to obstruct

to prevent passage through by filling with something

one of the patient's arteries was so blocked with fatty deposits that blood flow had been reduced to a trickle

Synonyms & Similar Words

• obstruct
• jam
• choke
• fill
• clog
• congest
• stuff
• dam
• stop (up)
• occlude
• flood
• gum (up)
• plug (up)
• clot
• pack
• cork
• overwhelm
• stopper
• gridlock
• fur
• bung
• stopple
• silt
• inundate
• swamp
• spile
• glut

Antonyms & Near Antonyms

• open (up)
• free
• clear
• unplug
• unblock
• hollow (out)
• excavate
• scoop (out)
• unclog
• empty
• unstop
• lighten

3

as in to intercept

to stop, seize, or interrupt while in progress or on course

a thug suddenly stepped out of a doorway and blocked his escape down the alley

Synonyms & Similar Words

• intercept
• grab
• catch
• capture
• trap
• snatch
• pick off
• interdict
• seize
• snare
• corral
• collar

Synonym Chooser

How does the verb block contrast with its synonyms?

Some common synonyms of block are hinder, impede, and obstruct. While all these words mean "to interfere with the activity or progress of," block implies complete obstruction to passage or progress.

a landslide blocked the road

When might hinder be a better fit than block?

While the synonyms hinder and block are close in meaning, hinder stresses causing harmful or annoying delay or interference with progress.

rain hindered the climb

In what contexts can impede take the place of block?

In some situations, the words impede and block are roughly equivalent. However, impede implies making forward progress difficult by clogging, hampering, or fettering.

tight clothing that impedes movement

When would obstruct be a good substitute for block?

The meanings of obstruct and block largely overlap; however, obstruct implies interfering with something in motion or in progress by the sometimes intentional placing of obstacles in the way.

the view was obstructed by billboards

Example Sentences

Recent Examples of block

Noun

The shooter caught up to Foreman about midway through the block. — Richard Winton, Los Angeles Times, 5 Nov. 2026

Hyde-Smith did not reconsider her views and maintained her block on the nomination. — Dan Mangan, CNBC, 5 Nov. 2026

Verb

More broadly, voters repudiated the AI industry's rapid expansion, with roughly two dozen proposals to restrict or block data centers appearing to pass among 41 local measures across 10 states, according to preliminary results. — Spencer Kimball,garrett Downs,dan Mangan,kevin Breuninger,justin Papp, CNBC, 4 Nov. 2026

Researchers remove the majority of a star’s glare from JWST images using a mask inside the telescope called a coronagraph that blocks most of the star’s light. — Jacek Krywko, Scientific American, 4 Nov. 2026

Phrases Containing block

• block (off)
• building block
• stumbling block