Block vs We've sealed off this area

When to use each in English, with meaning, register, and examples.

Block

Top 1,000 (very common)B1noun

We've sealed off this area

Top 2,000 (common)
Most common: Block
 BlockWe've sealed off this area
Pronunciation🇬🇧 /["/blɒk/"]/🇺🇸 /["/blɑːk/"]/🇬🇧 //siːld ɒf//🇺🇸 //siːld ɔf//
MeaningTo stop something from happening or to make it impossible to pass.We have closed this area to keep people out.
ExampleHe threw a block of wood into the fire.We've sealed off this area due to safety concerns.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)
CEFR levelB1-
Part of speechnoun
Collocationsbig, huge, large, on the chopping block, high-rise, tower, tenement, in a/​the block, block of, city, around the block, round the block, block from, city, around the block, round the block, block from, mental, writer’s, experience, have, suffer from, big, huge, large, on the chopping blockseal off access, seal off a section, seal off the perimeter, seal off completely, seal off from public
Antonymsallow, permit, facilitate-
Common mistakesConfused with 'block' as a noun vs. verb., Using 'block' with the wrong prepositions., Saying 'blocked by' instead of 'blocked from'.Confused with 'seal' as an animal., Using the phrase incorrectly for temporary closures instead of permanent., Omitting 'off' and saying 'sealed this area'.
Usage notesUse 'block' when referring to stopping something physically or metaphorically. It's appropriate in both everyday and formal contexts. Avoid using it in overly casual conversations.Use 'sealed off' in contexts where access is restricted. Typically formal for security or safety situations.

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Block
We've sealed off this area

Frequently asked questions: Block vs We've sealed off this area

What's the difference between Block and We've sealed off this area?

Block: To stop something from happening or to make it impossible to pass. We've sealed off this area: We have closed this area to keep people out.

Which is more common: Block and We've sealed off this area?

Block is the most common in everyday English.

Can you show an example of each?

Block: He threw a block of wood into the fire. We've sealed off this area: We've sealed off this area due to safety concerns.

Can I use Block and We've sealed off this area interchangeably?

Not always. Block and We've sealed off this area are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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