block

US /blɑːk/
UK /blɑːk/
"block" picture
1.

a large solid piece of something, typically with flat surfaces on all sides

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•
He used a concrete block to prop open the door.
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The sculptor carved a figure from a large block of marble.
:
chunkslablumpmasspiece
2.

a large building divided into separate flats or offices

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•
They live in a tall apartment block downtown.
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The new office block will be completed next year.
:
buildingstructurecomplex
3.

an obstruction in a pipe, passage, or artery

:
•
There's a block in the drain, causing the water to back up.
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The doctor found a block in one of his arteries.
:
obstructionclogbarrierimpediment
1.

to prevent movement or flow through (a passage, pipe, etc.)

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•
The fallen tree blocked the road.
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He tried to block the punch with his arm.
:
obstructclogbarhinderimpedestopprevent
2.

to prevent someone from doing something or from making progress

:
•
The new regulations will block the company's expansion plans.
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She tried to block out the painful memories.
:
hinderimpedeobstructpreventstopthwart
:
block inblock graphblock offbreeze blockwriter's blockblock outstumbling block