1. in a deep, full, reverberating manner; with a rich, resonant sound

Examples

• The church bells rang sonorously across the valley.
• He spoke sonorously, his voice filling the entire auditorium.
• The cello’s notes resonated sonorously in the concert hall.
• The grandfather clock chimed sonorously at midnight.
• Her laughter echoed sonorously through the empty corridors.
• The thunder rolled sonorously across the darkening sky.