sealed

Certified or authenticated by seal.

Closed by sealing, or by clasping or fastening securely as with a seal; hence, inaccessible; unknown.

In textiles, same as nail-headed, 2.

Simple past tense and past participle of seal.

Closed by a seal.

Preventing entrance.

Not subclassable; from which one cannot inherit.

covered with a waterproof coating

having been paved

established irrevocably