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block 
noun
- a solid piece of something (usually having flat rectangular sides); "the pyramids were built with large stone blocks"
- a rectangular area in a city surrounded by streets and usually containing several buildings; "he lives in the next block"
Synonyms: city block - a three-dimensional shape with six square or rectangular sides
Synonyms: cube - 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"
- housing in a large building that is divided into separate units; "there is a block of classrooms in the west wing"
- (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"
- 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"
Synonyms: mental block - 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
Synonyms: pulley, pulley-block - a metal casting containing the cylinders and cooling ducts of an engine; "the engine had to be replaced because the block was cracked"
Synonyms: cylinder block, engine block - an obstruction in a pipe or tube; "we had to call a plumber to clear out the blockage in the drainpipe"
Synonyms: blockage, closure, occlusion, stop, stoppage - a platform from which an auctioneer sells; "they put their paintings on the block"
Synonyms: auction block - (American football) the act of obstructing someone''s path with your body; "he threw a rolling block into the line backer"
Synonyms: blocking, interference
verb
- render unsuitable for passage; "block the way"; "barricade the streets"; "stop the busy road"
Synonyms: bar, barricade, blockade, block off, block up, stop - hinder or prevent the progress or accomplishment of; "His brother blocked him at every turn"
Synonyms: blockade, embarrass, hinder, obstruct, stymie, stymy - stop from happening or developing; "Block his election"; "Halt the process"
Synonyms: halt, kibosh, stop - interfere with or prevent the reception of signals; "Jam the Voice of America"; "block the signals emitted by this station"
Synonyms: jam - run on a block system; "block trains"
- interrupt the normal function of by means of anesthesia; "block a nerve"; "block a muscle"
- shut out from view or get in the way so as to hide from sight; "The thick curtain blocked the action on the stage"; "The trees obstruct my view of the mountains"
Synonyms: obstruct - stamp or emboss a title or design on a book with a block; "block the book cover"
- obstruct; "My nose is all stuffed"; "Her arteries are blocked"
Synonyms: choke up, lug, stuff Antonyms: unstuff, loosen up - block passage through; "obstruct the path"
Synonyms: close up, impede, jam, obstruct, obturate, occlude Antonyms: free, disengage - support, secure, or raise with a block; "block a plate for printing"; "block the wheels of a car"
- impede the movement of (an opponent or a ball); "block an attack"
Synonyms: deflect, parry - be unable to remember; "I''m drawing a blank"; "You are blocking the name of your first wife!"
Synonyms: blank out, draw a blank, forget Antonyms: remember, retrieve, recall, call back, call up, recollect, think - shape by using a block; "Block a hat"; "block a garment"
- shape into a block or blocks; "block the graphs so one can see the results clearly"
- prohibit the conversion or use of (assets); "Blocked funds"; "Freeze the assets of this hostile government"
Synonyms: freeze, immobilise, immobilize Antonyms: unblock, unfreeze, free, release, unblock, unfreeze, free, release
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