(noun, verb)


1. a solid piece of something (usually having flat rectangular sides)

- the pyramids were built with large stone blocks

Definition categories: man–made, artefact, artifact

2. a rectangular area in a city surrounded by streets and usually containing several buildings

- he lives in the next block

Definition categories: location, area, country

3. a three-dimensional shape with six square or rectangular sides

Similar word(s): cube

Definition categories: shape, solid

4. a number or quantity of related things dealt with as a unit

- he reserved a large block of seats

- he held a large block of the company's stock

Definition categories: group, accumulation, aggregation, assemblage, collection

5. housing in a large building that is divided into separate units

- there is a block of classrooms in the west wing

Definition categories: man–made, housing, lodging

6. (computer science) a sector or group of sectors that function as the smallest data unit permitted

- since blocks are often defined as a single sector, the terms `block' and `sector' are sometimes used interchangeably

Definition categories: quantity

7. an inability to remember or think of something you normally can do; often caused by emotional tension

- I knew his name perfectly well but I had a temporary block

Definition categories: thought, inability

8. a simple machine consisting of a wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope

Similar word(s): pulley

Definition categories: man–made, machine

9. a metal casting containing the cylinders and cooling ducts of an engine

- the engine had to be replaced because the block was cracked

Definition categories: man–made, cast, casting

10. an obstruction in a pipe or tube

- we had to call a plumber to clear out the blockage in the drainpipe

Similar word(s): blockage, closure, occlusion, stop, stoppage

Definition categories: man–made, impediment, impedimenta, obstructer, obstruction, obstructor

11. a platform from which an auctioneer sells

- they put their paintings on the block

Definition categories: man–made, platform

12. the act of obstructing or deflecting someone's movements

Similar word(s): blocking

Definition categories: act, obstruction

Sentences with block as a noun:

- A block of ice.

- A block of stone.

- Anne Boleyn placed her head on the block and awaited her execution.

- I'm going for a walk around the block.

- A block of flats.

- The place you are looking for is two long blocks east and one short block north.

- I'll knock your block off.

- A block of 100 tickets.

- There's a block in the pipe that means the water can't get through.


1. render unsuitable for passage

- block the way

Similar word(s): bar, barricade, blockade, stop

Definition categories: contact, block, impede, jam, obstruct, obturate, occlude

2. hinder or prevent the progress or accomplishment of

- His brother blocked him at every turn

Similar word(s): blockade, embarrass, hinder, obstruct, stymie, stymy

Definition categories: social, forbid, foreclose, forestall, preclude, prevent

3. stop from happening or developing

- Block his election

Similar word(s): halt, kibosh, stop

Definition categories: social, forbid, foreclose, forestall, preclude, prevent

4. interfere with or prevent the reception of signals

- block the signals emitted by this station

Similar word(s): jam

Definition categories: communication, disrupt, interrupt

5. run on a block system

- block trains

Definition categories: social, operate, run

6. interrupt the normal function of by means of anesthesia

- block a nerve

- block a muscle

Definition categories: perception, anaesthetise, anaesthetize, anesthetise, anesthetize

7. shut out from view or get in the way so as to hide from sight

- The thick curtain blocked the action on the stage

Similar word(s): obstruct

Definition categories: perception, conceal, hide

8. stamp or emboss a title or design on a book with a block

- block the book cover

Definition categories: contact, boss, emboss, stamp

9. obstruct

- Her arteries are blocked

Similar word(s): lug, stuff

Definition categories: contact, choke, clog, congest, foul

10. block passage through

Similar word(s): impede, jam, obstruct, obturate, occlude

Definition categories: contact, hinder, impede

11. support, secure, or raise with a block

- block a plate for printing

- block the wheels of a car

Definition categories: contact, hold, support, sustain

12. impede the movement of (an opponent or a ball)

- block an attack

Similar word(s): deflect, parry

Definition categories: competition, fence

13. be unable to remember

- You are blocking the name of your first wife!

Similar word(s): forget

Definition categories: cognition

14. shape by using a block

- Block a hat

- block a garment

Definition categories: change, form, shape

15. shape into a block or blocks

- block the graphs so one can see the results clearly

Definition categories: change, form, shape

16. prohibit the conversion or use of (assets)

- Blocked funds

Similar word(s): freeze, immobilise, immobilize

Definition categories: change, withhold

Sentences with block as a verb:

- The pipe is blocked.

- You're blocking the road – I can't get through.

- His plan to take over the business was blocked by the boss.

- He blocked the basketball player's shot.

- The offensive linemen tried to block the blitz.

- It was very difficult to block this scene convincingly.

- I tried to send you a message, but you've blocked me!

- When the condition expression is false, the thread blocks on the condition variable.

- I blocked the mittens by wetting them and pinning them to a shaped piece of cardboard.