Synonyms & Antonyms of block

(Entry 1 of 2)

1 a number of things considered as a unit
  • bought a block of stocks

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3 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

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4 a group of people acting together within a larger group
  • a more conservative block within the political party

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5 an association of persons, parties, or states for mutual assistance and protection
  • a block of oil-producing nations

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Synonyms & Antonyms of block (Entry 2 of 2)

1 to close up so that no empty spaces remain
  • block up the opening in the wall where a window once was

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2 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

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Antonyms for block

3 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

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See the Dictionary Definition 

Frequently Asked Questions About block

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

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Time Traveler for block

Time Traveler

The first known use of block was in the 15th century

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Cite this Entry

“Block.” Thesaurus, Merriam-Webster, Accessed 27 Sep. 2022.

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More from Merriam-Webster on block

Nglish: Translation of block for Spanish Speakers

Britannica English: Translation of block for Arabic Speakers


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