suru verb (special), transitive verb
Formal or literary verb for sealing a letter, container, or opening. Often used in written instructions or official contexts.
封筒をしっかりと緘する。
Seal the envelope tightly.
容器の口を緘して保
Seal the opening of the container and store it.
suru verb (special), transitive verb
Figurative use for suppressing speech or expression. Often implies forceful silencing of a person or group. Rare in modern conversation; more common in literary or political writing.
反対意見を箝するような政策は許されない。
Policies that muzzle dissenting opinions are unacceptable.
彼らは報道機関を緘しようとした。
They tried to silence the press.