1. in a hissing manner; with a sharp, whistling sound like ‘s’ or ‘sh’

Examples

• The snake moved sibilantly through the grass.
• She spoke sibilantly, her words barely audible.
• The steam escaped sibilantly from the kettle.
• The wind blew sibilantly through the pine trees.
• He whispered sibilantly in her ear.
• The old radiator hissed sibilantly in the corner.