hushing

(noun) a fricative sound (especially as an expression of disapproval). Synonyms: hiss, hissing, fizzle, sibilation. Example: "The performers could not be heard over the hissing of the audience."

(verb) become quiet or still; fall silent. Synonyms: hush. Example: "Hush my baby!."

(verb) cause to be quiet or not talk. Synonyms: hush, quieten, silence, still, shut up, hush up. Example: "Please silence the children in the church!."

(verb) become quiet or quieter. Synonyms: quieten, hush, quiet, quiesce, quiet down, pipe down. Example: "The audience fell silent when the speaker entered."

(verb) wash by removing particles. Synonyms: hush. Example: "Wash ores."

(verb) run water over the ground to erode (soil), revealing the underlying strata and valuable minerals. Synonyms: hush.