# sealed

Pronunciation: US say "SEELD" /siːld/; UK

## Adjective

1. Closed by a seal that keeps the contents in and outside matter out.
   - Simple: Closed tightly with a cover or seal so that nothing can get in or out.
   - _The detective examined the sealed package without ever opening it._
   - _Each blood sample arrived in a sealed container to prevent contamination._
3. Closed off completely so as to prevent anyone or anything from entering.
   - Simple: Blocked off completely so that no one and nothing can get inside.
   - _The entire wing of the building remained sealed after the gas leak._
   - _Residents could not cross the sealed checkpoint into the old city._
4. In object-oriented programming, designating a class or method that cannot be inherited from or further overridden.
   - Simple: In computer code, made so that no new type can be built on top of it.
   - _The framework's core types are sealed to prevent unintended subclassing._
   - _Marking a class as sealed stops other developers from deriving new classes from it._
5. Of a road: having a hard surface of asphalt or macadam rather than being left unpaved.
   - Simple: Describes a road covered with a hard, smooth surface, not dirt or gravel.
   - _The highway is sealed for the first thirty miles, then turns to gravel._
   - _Crews worked all summer to leave the remote route fully sealed before the rains._

## Verb

2. Simple past and past participle of seal. — simple past and past participle of seal
   - Simple: Simple past and past participle of seal. Use it for closing that already happened.
   - _The workers sealed the tunnel after the final inspection._
   - _He sealed the jar tightly to keep the jam fresh through the year._

Source: DictionaryAI, https://dictionaryai.com/define/sealed (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).