Secret, not spoken of (or spoken of only in hushed whispers between insiders).

secrecy; covert operation

Alternative form of on the hush.

plural of hushing

The act of one who hushes, or calls for silence. / The use of a heavy discharge of water to uncover a mineral vein or wash ore.

Third-person singular simple present indicative form of hush

present participle of hush

A silence, especially after some noise / A mining method using water

(intransitive) To become quiet. / (transitive) To make quiet. / (transitive) To appease; to allay; to soothe. / (transitive) To clear off soil and other materials overlying the bedrock.

Very quiet; expressed using soft tones.