"hushing" in the noun sense
1. hiss, hissing, hushing, fizzle, sibilation
a fricative sound (especially as an expression of disapproval
"the performers could not be heard over the hissing of the audience"
"hushing" in the verb sense
1. hush
become quiet or still fall silent
"hush my baby!"
2. hush, quieten, silence, still, shut up, hush up
cause to be quiet or not talk
"Please silence the children in the church!"
3. quieten, hush, quiet, quiesce, quiet down, pipe down
become quiet or quieter
"The audience fell silent when the speaker entered"
4. hush
wash by removing particles
"Wash ores"
5. hush
run water over the ground to erode (soil), revealing the underlying strata and valuable minerals
Source: WordNet® (An amazing lexical database of English)
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