(idiomatic) To keep quiet; to keep a secret; to not tell.

The fifth of the Great Officers of State in the United Kingdom, the position is now considered to be sinecure.

simple past tense and past participle of keep one's lips sealed

present participle of keep one's lips sealed

Third-person singular simple present indicative form of keep one's lips sealed

An island in the British Virgin Islands.

An island in the British Virgin Islands.

A type of fabric made from the skin of seals. / Any fabric manufactured to resemble sealskin. / An item of clothing made from sealskin (whether real or imitation).

plural of sealskin

a ship used for hunting seals.