sealed

1. 1
   adjective

   Closed tightly with a cover or seal so that nothing can get in or out.

   Like a jar with the lid screwed on tight so air can't get in.

   She handed me a sealed envelope with my name on it.

   The jar stayed sealed until we opened it for the party.

   Similarclosed, airtight, secured, unopened

   Oppositeopen, opened, unsealed

   Note
2. 2
   verb

   Simple past and past participle of seal. Use it for closing that already happened.

   She sealed the letter and dropped it in the mailbox.

   They sealed the cracks in the wall before winter arrived.

   Note
3. 3
   adjective

   Blocked off completely so that no one and nothing can get inside.

   Like a locked gate that keeps everyone out.

   The police kept the streets sealed during the parade.

   Soldiers guarded the sealed border all through the night.

   Similarclosed, shut, blocked

   Oppositeopen, accessible

4. 4
   adjective

   In computer code, made so that no new type can be built on top of it.

   Like a finished building that no one is allowed to add new floors to.

   The programmer marked the class as sealed so no one could extend it.

   A sealed class keeps other developers from building new versions from it.

   Similarfinal

   Note
5. 5
   adjective

   Describes a road covered with a hard, smooth surface, not dirt or gravel.

   Like covering a muddy path with smooth concrete so cars can drive easily.

   The sealed road wound smoothly through the green hills.

   Past the farm gate the sealed road ended and the dirt began.

   Similarpaved, surfaced, metalled

   Oppositeunpaved, unsealed, unsurfaced

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