Seal off
verb
To stop people from entering an area or object, often to keep it safe.
The police sealed off the crime scene so no one could enter and disturb any evidence.

Often appears as...
- seal off the area
- seal off the room
verb
To close a space or container tightly so that nothing can get in or out.
Make sure to seal off the jar after you take out the cookies to keep them fresh.

Often appears as...
- seal off the jar
- seal off the bag
verb
To isolate or separate something for a specific reason.
The surgeon sealed off the unhealthy part of the lung to prevent spreading of the disease.

Often appears as...
- seal off the lung
- seal off the wound
Usage tips
Technical
verb
To stop people from entering an area or object, often to keep it safe.
The police sealed off the crime scene so no one could enter and disturb any evidence.

Often appears as...
- seal off the area
- seal off the room
verb
To close a space or container tightly so that nothing can get in or out.
Make sure to seal off the jar after you take out the cookies to keep them fresh.

Often appears as...
- seal off the jar
- seal off the bag
verb
To isolate or separate something for a specific reason.
The surgeon sealed off the unhealthy part of the lung to prevent spreading of the disease.

Often appears as...
- seal off the lung
- seal off the wound
Usage tips
Technical
Definition 1 of 3

Authority Action
Often used when officials take control for safety or investigation.

Authorities sealed off the street after the gas leak.
Temporary Measure
Sealing off an area usually implies a temporary situation until a problem is resolved.

Due to protests, the main square was sealed off temporarily.
Visualize Barriers
Imagine physical barriers like tape or barricades indicating restricted access.

The construction site was sealed off with safety tape.
Authority Action
Often used when officials take control for safety or investigation.

Authorities sealed off the street after the gas leak.
Temporary Measure
Sealing off an area usually implies a temporary situation until a problem is resolved.

Due to protests, the main square was sealed off temporarily.
Visualize Barriers
Imagine physical barriers like tape or barricades indicating restricted access.

The construction site was sealed off with safety tape.
Authority Action
Often used when officials take control for safety or investigation.

Authorities sealed off the street after the gas leak.
Temporary Measure
Sealing off an area usually implies a temporary situation until a problem is resolved.

Due to protests, the main square was sealed off temporarily.
Visualize Barriers
Imagine physical barriers like tape or barricades indicating restricted access.

The construction site was sealed off with safety tape.
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